# RKIN

Website: https://rkin.com
Last updated: 2026-06-29 20:06:15 UTC

> RKIN products are not just water filters; they are essential companions for a long, healthy life.
Since 2009, we have been on the quest to make pure drinking water accessible to all families across North America.

## Browse

- All products: https://rkin.com/collections/all
- Search: https://rkin.com/search?q={query}

## Collections
- [Home page](https://rkin.com/collections/frontpage)
- [Zero Installation Purifier Replacement Parts](https://rkin.com/collections/zip-replacement-parts): Zero Installation Purifier Replacement Parts - RKIN
- [Zero Installation Purifier Replacement Filters](https://rkin.com/collections/zip-replacement-filters): Zero Installation Purifier Replacement Filters - RKIN
- [Drinking Water Filters](https://rkin.com/collections/countertop-reverse-osmosis-water-filter): Whether you own or rent, we have a solution for you; from whole-house filtration systems to portable purifiers, RKIN makes a wide selection of high-quality wate..
- [Air Purifiers and Components](https://rkin.com/collections/air-filters)
- [Refurbished Products](https://rkin.com/collections/refurbished-products): Refurbished Products - RKIN
- [Whole House Water Treatment Systems](https://rkin.com/collections/whole-house-water-treatment): Whole House Water Treatment Systems - RKIN
- [Water Systems](https://rkin.com/collections/water-systems): Water Systems - RKIN
- [Whole House Cartridges and Media](https://rkin.com/collections/whole-house-filtration-replacement-cartridges-and-media): Whole House Filtration Replacement Cartridges and Media - RKIN
- [Misting Systems](https://rkin.com/collections/misting-systems): Misting Systems - RKIN
- [Installation Kits](https://rkin.com/collections/installation-kits): Installation Kits - RKIN
- [CBS Water Filter Systems](https://rkin.com/collections/cbs-cartridge-based-water-systems): RKIN CBS - Cartridge Based Whole House Water Systems - RKIN
- [Self-Cleaning Spin Down Sediment Filters](https://rkin.com/collections/sediment-filters): Self-Cleaning Spin Down Sediment Filters - RKIN
- [Flash Undersink Reverse Osmosis System Replacement Filters](https://rkin.com/collections/flash-replacement-filters): Flash Undersink Reverse Osmosis System Replacement Filters - RKIN
- [OnliSoft Pro Replacement Filters](https://rkin.com/collections/onlisoft-pro-replacement-filters): OnliSoft Pro Replacement Filters - RKIN
- [CBS Series Replacement Filters](https://rkin.com/collections/cbs-series-replacement-filters): CBS Series Replacement Filters - RKIN
- [OP1L Replacement Filters](https://rkin.com/collections/op1l-replacement-filters): OP1L Replacement Filters - RKIN
- [Dragon Replacement Sediment Filters](https://rkin.com/collections/dragon-replacement-sediment-filters): Dragon Replacement Sediment Filters - RKIN
- [Undersink Systems](https://rkin.com/collections/undersink-systems): Undersink Systems - RKIN
- [Best Sellers](https://rkin.com/collections/best-sellers): Best Sellers - RKIN
- [Replacement Filters and Media](https://rkin.com/collections/replacement-filters): Replacement Filters and Media - RKIN
- [Water Pumps](https://rkin.com/collections/water-pumps): Water Pumps - RKIN
- [Water Filter Systems](https://rkin.com/collections/water-filter-systems): Water Filter Systems - RKIN
- [Water Softeners](https://rkin.com/collections/water-softeners): RKIN Water Softeners - RKIN
- [Salt-Free Water Softeners](https://rkin.com/collections/salt-free-water-softeners): RKIN Salt-Free Water Softeners - RKIN
- [City Water Systems](https://rkin.com/collections/softener-filter-combos): RKIN City Water Whole House Systems - RKIN
- [Well Water Systems](https://rkin.com/collections/rkin-well-water-systems): RKIN Well Water Systems - RKIN
- [insurance](https://rkin.com/collections/insurance): insurance - RKIN
- [TDS Meter](https://rkin.com/collections/tds-meter): TDS Meter - RKIN
- [Best Selling Products](https://rkin.com/collections/best-selling-products)
- [Newest Products](https://rkin.com/collections/newest-products)
- [On Sale](https://rkin.com/collections/sale): On Sale - RKIN
- [Water Tests](https://rkin.com/collections/water-tests): Water Tests - RKIN
- [Well Water Tests](https://rkin.com/collections/well-water-tests): Well Water Tests - RKIN
- [UV Water Systems and components](https://rkin.com/collections/uv-water-systems-and-components): UV Water Systems and components - RKIN
- [U1 Pre-order](https://rkin.com/collections/u1-pre-order): U1 Pre-order - RKIN
- [Limited-Time Promotion](https://rkin.com/collections/limited-time-promotions): Limited-Time Promotion - RKIN
- [Whole House Combo Water Systems](https://rkin.com/collections/whole-house-water-system-combo): Whole House Combo Water Systems - RKIN
- [U1 Replacement Filters and Accessories](https://rkin.com/collections/u1-replacement-filters): U1 Replacement Filters and Accessories - RKIN
- [Local Pick-up or Install](https://rkin.com/collections/local-pick-up-or-install): Local Pick-up or Install - RKIN
- [Well Water System Combos](https://rkin.com/collections/well-water-system-combos): Well Water System Combos - RKIN
- [Countertop Drinking Water Systems](https://rkin.com/collections/countertop-drinking-water-systems): Countertop Drinking Water Systems - RKIN
- [U1 Consumables and replacement cartridges](https://rkin.com/collections/u1-consumables-and-replacement-cartridges): U1 Consumables and replacement cartridges - RKIN
- [CS Consumables and replacement cartridges](https://rkin.com/collections/salt-based-water-softener-and-whole-house-carbon-filter-system-consumables-and-replacement-cartridges): CS Consumables and replacement cartridges - RKIN
- [OP1L Consumables and replacement cartridges](https://rkin.com/collections/op1l-consumables-and-replacement-cartridges): OP1L Consumables and replacement cartridges - RKIN
- [CBS-OPX-20 5GPM Consumables and replacement cartridges](https://rkin.com/collections/cbs-opx-20-5gpm-consumables-and-replacement-cartridges): CBS-OPX-20 5GPM Consumables and replacement cartridges - RKIN
- [CBS SF5M Consumables and replacement cartridges](https://rkin.com/collections/cbs-sf5m-consumables-and-replacement-cartridges): CBS SF5M Consumables and replacement cartridges - RKIN
- [CBS DC20 Consumables and replacement cartridges](https://rkin.com/collections/cbs-dc20-consumables-and-replacement-cartridges): CBS DC20 Consumables and replacement cartridges - RKIN
- [CBS PPH-DC20 Consumables and replacement cartridges](https://rkin.com/collections/cbs-pph-dc20-consumables-and-replacement-cartridges): CBS PPH-DC20 Consumables and replacement cartridges - RKIN
- [CBS PPH-20 Consumables and replacement cartridges](https://rkin.com/collections/cbs-pph-20-consumables-and-replacement-cartridges): CBS PPH-20 Consumables and replacement cartridges - RKIN

## Products
- [Double AH-14-Pro Bundle](https://rkin.com/products/double-ah-14-pro-bundle): Unlock unparalleled performance with the Double AH-14-Pro Bundle. Elevate your experience today with premium features and innovative design!
- [U1-W Replacement Pump](https://rkin.com/products/u1-replacement-pump): Replacement pump for U1
- [Super Flex Installation Kit for Advanced Well Water System](https://rkin.com/products/super-flex-installation-kit-for-advanced-well-water-system): Upgrade your water quality with the Super Flex Installation Kit for Advanced Well Water System. Easy installation for pristine results!
- [Super Flex Installation Kit for Whole House Water Treatment System](https://rkin.com/products/super-flex-installation-kit-18x1-4-piece-set): Upgrade your water quality with the Super Flex Installation Kit! Perfect for easy setup of whole house water treatment systems. Enjoy clean, crisp water!
- [Temp - Water Softener and Well Water Filter Combo (Copy)](https://rkin.com/products/temp-water-softener-and-well-water-filter-combo-copy): Transform your water quality with our Water Softener and Well Water Filter Combo. Enjoy pure, soft water for a healthier home today!
- [U1-W Drip Tray](https://rkin.com/products/u1-drip-tray): Keep your workspace tidy with the U1 Drip Tray. Designed for easy cleaning, it prevents spills and mess. A must-have for any setup!
- [U1-W Replacement Nozzle](https://rkin.com/products/u1-replacement-nozzle): Ensure clean water with U1 Replacement Nozzle. Perfect for your needs, our durable and efficient cartridges enhance filtration. Shop now!
- [U1-W Float with Cap](https://rkin.com/products/u1-float-with-cap): Upgrade your water quality with our U1 Float with Cap - perfect for replacement water filter cartridges. Freshness and purity in every drop!
- [1 Year Replacement filter cartridge bundle for RKIN-AH-14 air purifier](https://rkin.com/products/1-year-replacement-filter-cartridge-bundle-for-rkin-ah-14-air-purifier): Buy 1 Year Replacement filter cartridge bundle for RKIN-AH-14 air purifier at RKIN! RKIN-AH-14 air purifier replacement filter cartridge three-piece bundle.
- [1 Year Replacement filter cartridge bundle for RKIN-AH-14-PRO air purifier](https://rkin.com/products/1-year-replacement-filter-cartridge-bundle-for-rkin-ah-14-pro-air-purifier): Buy 1 Year Replacement filter cartridge bundle for RKIN-AH-14-PRO air purifier at RKIN! RKIN-AH-14-PRO air purifier replacement filter cartridge two-piece bundl..
- [U1-W 1-Year Filter Bundle](https://rkin.com/products/u1-1-year-filter-bundle): Buy U1 1-Year Filter Bundle at RKIN! Add a 1-year filter bundle to your order, and you'll receive one annual replacement filter kit with cartridges #1 and #3, a..
- [AC Adapter for RKIN CS Control Valve](https://rkin.com/products/ac-adapter-for-rkin-cs-control-valve): Buy AC Adapter for RKIN CS Control Valve at RKIN! AC Adapter for RKIN Connected Series Valves - Water Softener and Well Filter.
- [Advanced Salt-Free Water Conditioner and Well Water Filter Combo](https://rkin.com/products/advanced-salt-free-water-conditioner-and-well-water-filter-combo): Buy Advanced Salt-Free Water Conditioner and Well Water Filter Combo at RKIN! Does your water smell like rotten eggs? Do your sinks & toilets have orange st..
- [Advanced Water Softener and Well Water Filter Combo](https://rkin.com/products/advanced-water-softener-and-well-water-filter-combo): Buy Advanced Water Softener and Well Water Filter Combo at RKIN! Does your water smell like rotten eggs? Do your sinks & toilets have orange staining? You a..
- [Flash Undersink AlcaPure 3-Year Bundle](https://rkin.com/products/flash-alcapure-3-year-bundle): Buy Flash AlcaPure 3-Year Bundle at RKIN! Imagine having an endless supply of crisp, alkaline water flowing directly from your faucet, without the usual mainten..
- [AH-14 Pro Air Purifier 3+ Year Bundle](https://rkin.com/products/ah-14-pro-air-purifier-3-year-bundle): Buy AH-14 Pro Air Purifier 3+ Year Bundle at RKIN! Imagine breathing surgically clean air, free from allergens, pet dander, and hidden germs. The RKIN AH-14 Pro..
- [Whole Home Reverse Osmosis System](https://rkin.com/products/whole-home-reverse-osmosis-system): Buy Whole Home Reverse Osmosis System at RKIN! Imagine turning on any faucet in your home and being met with an endless supply of pristine, exceptionally pure w..
- [U1-W Supreme 3-Year Bundle](https://rkin.com/products/u1-supreme-3-year-bundle): Buy U1 Supreme 3-Year Bundle at RKIN! Imagine decluttering your kitchen counter, replacing your kettle and water pitchers with one elegant device that delivers ..
- [OnliPure Zero Installation Purifier 3-Year Bundle](https://rkin.com/products/onlipure-zero-installation-purifier-with-complete-2-year-filter-pack): Buy OnliPure Zero Installation Purifier 3-Year Bundle at RKIN! Imagine enjoying crisp, clean, and truly pure water in minutes, with no tools or installation req..
- [AlcaPure Zero Installation Purifier 3-Year Bundle](https://rkin.com/products/alcapure-zero-installation-purifier-with-complete-2-year-filter-pack): Buy AlcaPure Zero Installation Purifier 3-Year Bundle at RKIN! Imagine enjoying crisp, refreshing, and truly pure water in minutes, with no tools or installatio..
- [2-Year OnliPure Edition Zero Installation Purifier Replacement Filter Bundle](https://rkin.com/products/2-year-onlipure-edition-zero-installation-purifier-replacement-filter-bundle): Buy 2-Year OnliPure Edition Zero Installation Purifier Replacement Filter Bundle at RKIN! OnliPure Edition Replacement filter 2-year bundle for Zero Installatio..
- [2-Year AlcaPure Edition Zero Installation Purifier Replacement Filter Bundle](https://rkin.com/products/2-year-alcapure-edition-zero-installation-purifier-replacement-filter-bundle): Buy 2-Year AlcaPure Edition Zero Installation Purifier Replacement Filter Bundle at RKIN! AlcaPure Edition Replacement filter 2-year bundle for Zero Installatio..
- [Spot-Free Rinse Portable Reverse Osmosis System](https://rkin.com/products/purified-spot-free-rinse-portable-reverse-osmosis-system): Buy Purified Spot-Free Rinse Portable Reverse Osmosis System at RKIN! The Portable Reverse Osmosis System is a compact, lightweight water purification system de..
- [Refurbished U1 Space-Saving 4-in-1 Water Filter System](https://rkin.com/products/certified-refurbished-u1-space-saving-4-in-1-water-filter-system): Buy Refurbished U1 Space-Saving 4-in-1 Water Filter System at RKIN! But don’t want to deal with messy hoses, leaky diverter valves, or clunky installation? Meet..
- [2 Year Replacement filter cartridge bundle for RKIN-AH-14-PRO air purifier](https://rkin.com/products/2-year-replacement-filter-cartridge-bundle-for-rkin-ah-14-pro-air-purifier): Buy 2 Year Replacement filter cartridge bundle for RKIN-AH-14-PRO air purifier at RKIN! RKIN-AH-14-PRO air purifier replacement filter cartridge three-piece bun..
- [2 Year Replacement filter cartridge bundle for RKIN-AH-14 air purifier](https://rkin.com/products/2-year-replacement-filter-cartridge-bundle-for-rkin-ah-14-air-purifier): Buy 2 Year Replacement filter cartridge bundle for RKIN-AH-14 air purifier at RKIN! RKIN-AH-14 air purifier replacement filter cartridge three-piece bundle.
- [RKIN HEPA 14 Air Purifier – Breathe Cleaner, Healthier Air with UV, Carbon & Ion Technology](https://rkin.com/products/rkin-ah-14-ah-14-pro-hepa-14-air-purifiers-breathe-cleaner-healthier-air-with-uv-carbon-ion-technology): Buy RKIN AH-14 & AH-14-PRO HEPA 14 Air Purifiers – Breathe Cleaner, Healthier Air with UV, Carbon & Ion Technology at RKIN! Enjoy cleaner air with peace of mind..
- [Replacement filter cartridge for RKIN-AH-14-PRO air purifier](https://rkin.com/products/replacement-filter-cartridge-for-rkin-ah-14-pro-air-purifier): Buy Replacement filter cartridge for RKIN-AH-14-PRO air purifier at RKIN!
- [Replacement filter cartridge for RKIN-AH-14 air purifier](https://rkin.com/products/replacement-filter-cartridge-for-rkin-ah-14-air-purifier): Buy Replacement filter cartridge for RKIN-AH-14 air purifier at RKIN!
- [Check Valve Quick Connect 1/4 inch Female](https://rkin.com/products/check-valve-quick-connect-1-4-inch-female): Check Valve Quick Connect 1/4 inch Female. Commonly used with Zero Installation Purifier.
- [Stainless steel water bottle #6](https://rkin.com/products/stainless-steel-water-bottle-6): Buy Stainless steel water bottle #6 at RKIN! Whether you’re at the gym or on a hike, motivation should follow you everywhere. Made from high-grade stainless ste..
- [Stainless steel tumbler #6](https://rkin.com/products/stainless-steel-tumbler-6): Buy Stainless steel tumbler #6 at RKIN! Size guide WIDTH (inches)LENGTH (inches)20 oz2 ⅞8 ⅜
- [Short-Sleeve Unisex T-Shirt Think Fast #8](https://rkin.com/products/short-sleeve-unisex-t-shirt): Buy Short-Sleeve Unisex T-Shirt at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #7](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-7): Buy Short-Sleeve Unisex T-Shirt Think Fast #7 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #6](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-6): Buy Short-Sleeve Unisex T-Shirt Think Fast #6 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #5](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-5): Buy Short-Sleeve Unisex T-Shirt Think Fast #5 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #4](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-4): Buy Short-Sleeve Unisex T-Shirt Think Fast #4 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #3](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-3): Buy Short-Sleeve Unisex T-Shirt Think Fast #3 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #2](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-2): Buy Short-Sleeve Unisex T-Shirt Think Fast #2 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Short-Sleeve Unisex T-Shirt Think Fast #1](https://rkin.com/products/short-sleeve-unisex-t-shirt-think-fast-1): Buy Short-Sleeve Unisex T-Shirt Think Fast #1 at RKIN! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328
- [Stainless steel water bottle #5](https://rkin.com/products/stainless-steel-water-bottle-5): Buy Stainless steel water bottle #5 at RKIN! Whether you’re at the gym or on a hike, motivation should follow you everywhere. Made from high-grade stainless ste..
- [Stainless steel water bottle #4](https://rkin.com/products/stainless-steel-water-bottle-4): Buy Stainless steel water bottle #4 at RKIN! Whether you’re at the gym or on a hike, motivation should follow you everywhere. Made from high-grade stainless ste..
- [Stainless steel water bottle #3](https://rkin.com/products/stainless-steel-water-bottle): Buy Stainless steel water bottle #3 at RKIN! Whether you’re at the gym or on a hike, motivation should follow you everywhere. Made from high-grade stainless ste..
- [Stainless steel water bottle #2](https://rkin.com/products/stainless-steel-water-bottle-2): Buy Stainless steel water bottle #2 at RKIN! Whether you’re at the gym or on a hike, motivation should follow you everywhere. Made from high-grade stainless ste..
- [Stainless steel water bottle #1](https://rkin.com/products/stainless-steel-water-bottle-1): Buy Stainless steel water bottle #1 at RKIN! Whether you’re at the gym or on a hike, motivation should follow you everywhere. Made from high-grade stainless ste..
- [Stainless steel tumbler #4](https://rkin.com/products/stainless-steel-tumbler-4): Buy Stainless steel tumbler #4 at RKIN! Size guide WIDTH (inches)LENGTH (inches)20 oz2 ⅞8 ⅜
- [Stainless steel tumbler #5](https://rkin.com/products/stainless-steel-tumbler-1): Buy Stainless steel tumbler at RKIN! Size guide WIDTH (inches)LENGTH (inches)20 oz2 ⅞8 ⅜
- [Stainless steel tumbler #3](https://rkin.com/products/stainless-steel-tumbler-3): Buy Stainless steel tumbler #3 at RKIN! Size guide WIDTH (inches)LENGTH (inches)20 oz2 ⅞8 ⅜
- [Stainless steel tumbler #2](https://rkin.com/products/stainless-steel-tumbler-2): Buy Stainless steel tumbler #2 at RKIN! Size guide WIDTH (inches)LENGTH (inches)20 oz2 ⅞8 ⅜
- [Stainless steel tumbler #1](https://rkin.com/products/stainless-steel-tumbler): Buy Stainless steel tumbler at RKIN! Size guide WIDTH (inches)LENGTH (inches)20 oz2 ⅞8 ⅜
- [U1-W Filter and hydrogen module removal tool](https://rkin.com/products/u1-filter-and-hydrogen-module-removal-tool): Buy the U1 Filter and hydrogen module removal tool at RKIN! RKIN U1 Water System filter and hydrogen membrane removal tool
- [Shipping Protection](https://rkin.com/products/navidium-shipping-protection-3): Buy Navidium Shipping Protection at RKIN!
- [Shipping Protection](https://rkin.com/products/navidium-shipping-protection-2): Buy Navidium Shipping Protection at RKIN!
- [Shipping Protection](https://rkin.com/products/navidium-shipping-protection-1): Buy Navidium Shipping Protection at RKIN!
- [Shipping Protection](https://rkin.com/products/navidium-shipping-protection): Buy Navidium Shipping Protection at RKIN!
- [Quick Connect Fitting Elbow 1/4 inch Female to 1/4 inch Female](https://rkin.com/products/quick-connect-fitting-elbow-1-4-inch-female-to-1-4-inch-female): Buy Quick Connect Fitting Elbow 1/4 inch Female to 1/4 inch Female at RKIN! Quick Connect Fitting Elbow 1/4 inch to Female 1/4 inch Female.
- [Fitting Elbow Quick Connect 1/4 inch Female 1/4 inch NPT Thread Male](https://rkin.com/products/fitting-elbow-quick-connect-1-4-inch-female-1-4-inch-npt-thread-male): Buy Fitting Elbow Quick Connect 1/4 inch Female 1/4 inch NPT Thread Male at RKIN! Fitting Elbow Quick Connect 1/4 inch Female 1/4 inch NPT Thread Male. Commonly..
- [U1-W RKIN PEM Hydrogen Module](https://rkin.com/products/u1-rkin-hydrogen-module): Buy U1 RKIN PEM Hydrogen Module at RKIN! RKIN U1 Hydrogen Module. MPN: RC-HGPEM, Replace every 6-12 months or as needed.
- [U1-W RKIN 200 GPD Reverse Osmosis Membrane QT Series](https://rkin.com/products/u1-rkin-200-gpd-encapsulated-reverse-osmosis-membrane-qt-series): Buy U1 RKIN 200 GPD Reverse Osmosis Membrane QT Series at RKIN! RKIN 200 GPD Encapsulated Reverse Osmosis Membrane QT Series. MPN: RC-QT-RO. Replace every 12-24..
- [U1-W RKIN AlcaPure Alkaline Post Filter QT Series](https://rkin.com/products/u1-rkin-alcapure-alkaline-post-filter-qt-series): Buy U1 RKIN AlcaPure Alkaline Post Filter QT Series at RKIN! RKIN AlcaPure Alkaline Post Filter QT Series. MPN - RC-QT-CF, Replace every 6-12 months or as neede..
- [U1-W RKIN 2-in-1 Sediment and Carbon Pre-Filter QT Series](https://rkin.com/products/u1-rkin-2-in-1-sediment-and-carbon-pre-filter-qt-series): Buy U1 RKIN 2-in-1 Sediment and Carbon Pre-Filter QT Series at RKIN! RKIN 2 in 1 Sediment and Carbon Filter QT Series. MPN: RC-QT-PAC. Replace every 6-12 months..
- [Quick Connect Fitting Elbow 3/8 inch Female 1/4 inch Female](https://rkin.com/products/quick-connect-fitting-elbow-3-8-inch-female-1-4-inch-female): Buy Quick Connect Fitting Elbow 3/8 inch Female 1/4 inch Female at RKIN! Quick Connect Fitting Elbow 3/8 inch Female 1/4 inch Female.
- [Collet for Quick Connect Fitting](https://rkin.com/products/collet-for-quick-connect-fitting): Buy Collet for Quick Connect Fitting at RKIN! Collet for Quick Connect Fitting. 1/4 or 3/8 size.
- [U1-W 1 Year Extended Warranty](https://rkin.com/products/u1-extended-warranty): Buy U1 1 Year Extended Warranty at RKIN! U1 comes with a 1-year warranty. Want to extend this protection for an additional year? Add 1 year of extended warranty..
- [U1-W Space-Saving 4-in-1 Water Filter System](https://rkin.com/products/u1-space-saving-4-in-1-water-filter-system): Buy U1 Space-Saving 4-in-1 Water Filter System at RKIN! Want an advanced water filter system but don’t want to deal with messy hoses, leaky diverter valves, and..
- [U1-W Turntable](https://rkin.com/products/u1-turntable): Buy U1 Turntable at RKIN! Want easy access to the back of your U1 system? Add our optional turntable accessory to your order!
- [U1-W 2-Year Filter Bundle](https://rkin.com/products/u1-2-year-filter-bundle): Buy U1 2-Year Filter Bundle at RKIN! Add a 2-year filter bundle to your order, and you'll receive two annual replacement filter kits(cartridges #1 and #3, two p..
- [High Output UV Light System Replacement Quartz Sleeve](https://rkin.com/products/high-output-uv-light-system-replacement-quartz-sleeve): Buy High Output UV Light System Replacement Quartz Sleeve at RKIN! Replacement quartz sleeve for Viqua VH200 and VH410 high output UV system.
- [High Output UV Light System Replacement Bulb](https://rkin.com/products/uv-light-replacement-bulb): Buy High Output UV Light System Replacement Bulb at RKIN! Replacement for Viqua VH200 and VH410 high output UV light bulbs.
- [Stainless Steel High Output UV Water Disinfection System](https://rkin.com/products/home-stainless-steel-ultraviolet-water-disinfection-system): Buy Stainless Steel High Output UV Water Disinfection System at RKIN! Please refer to the specification sheet and manual for included parts, installation, and p..
- [AlcaPure Whole House Filter System for Alkaline PH](https://rkin.com/products/alcapure-whole-house-filter-system-for-alkaline-ph): Buy AlcaPure Whole House Filter System for Alkaline PH at RKIN! Turns acidic water into perfectly balanced 7-8 pH water.Protects plumbing and appliances from co..
- [Metals and Minerals Water Test](https://rkin.com/products/metals-and-minerals-water-test): Buy Metals and Minerals Water Test at RKIN! Recommended for basic water quality testing for a broad array of metals and minerals in drinking water. Many natural..
- [Tannins and Lignins Water Test](https://rkin.com/products/tannins-water-test): Buy Tannins Water Test at RKIN! Recommended for targeted testing of tannins in drinking water. Tannins are a naturally formed, organic material and are commonly..
- [PFAS Water Test](https://rkin.com/products/pfas-water-test): Buy PFAS Water Test at RKIN! Recommended for testing 14 of the most common PFAS (also known as "forever chemicals") in drinking water. PFAS (and related compoun..
- [Drinking Water Test: Level 2 + Bacteria](https://rkin.com/products/advanced-well-water-test): Buy Advanced Well Water Test at RKIN! This RKIN test package in collaboration with SimpleLab, endorsed by the US Water Systems Council, provides all required ma..
- [Drinking Water Test: Level 1 + Bacteria](https://rkin.com/products/essential-well-water-test): Buy Essential Well Water Test at RKIN! Recommended as an important baseline for water quality testing in any home, building, or facility served by a private wel..
- [Drinking Water Test: Level 2](https://rkin.com/products/advanced-city-water-test): Buy Advanced City Water Test at RKIN! Alkalinity, Calcium, Conductivity, Hardness, LSI, Magnesium, pH, Potassium, SAR, Total Dissolved Solids, Total HardnessMet..
- [Drinking Water Test: Level 1](https://rkin.com/products/essential-city-water-test): Buy Essential City Water Test at RKIN! Recommended for basic water quality testing in any home, building, or facility served by a water utility.This RKIN test p..
- [O-Ring Kit for ZEE PRO Filter Housing](https://rkin.com/products/o-ring-for-zee-pro-filter-housing): Buy O-Ring For ZEE PRO Filter Housing at RKIN! Replacement o-ring for ZEE PRO filter housing.
- [CBS 5 Micron Sediment Whole House Filter](https://rkin.com/products/cbs-5-micron-sediment-whole-house-filter): Buy CBS 5 Micron Sediment Whole House Filter at RKIN! Protects appliances and plumbing from harmful sediment.  Large Capacity 4.5" x 20" Filter Cartridge with 5..
- [Undersink RO Faucet Quick Connect Fitting for 1/4 Tubing](https://rkin.com/products/copy-of-quick-connect-fitting): Buy Undersink RO Faucet Quick Connect Fitting for 1/4 Tubing at RKIN! Undersink RO Faucet Quick Connect Fitting for 1/4 Tubing
- [Single Tank Super Flex Installation Kit for Whole House Water Treatment System](https://rkin.com/products/single-tank-super-flex-installation-kit-for-whole-house-water-treatment-system): Buy Single Tank Super Flex Installation Kit for Whole House Water Treatment System at RKIN! Optional RKIN Super Flex Kit makes installation faster and easier.El..
- [Water Softener and Whole House Carbon Filter System](https://rkin.com/products/salt-based-water-softener-and-whole-house-carbon-filter-system): Buy Salt-Based Water Softener and Whole House Carbon Filter System at RKIN! Transforms ordinary tap water into soft, filtered, healthy, spring-like water throug..
- [OnliSoft Salt-Free Water Conditioner System](https://rkin.com/products/rkin-whole-house-salt-free-water-softener): Buy OnliSoft Salt-Free Water Softener System at RKIN! Protects appliances and plumbing from harmful hardness build-up.Salt-less and non-electric operationCertif..
- [Water Softener and Well Water Filter Combo](https://rkin.com/products/whole-house-salt-based-water-softener-and-well-water-filter-combo): Buy a Salt-Based Water Softener and Well Water Filter Combo at RKIN! It uses the power of oxygen to transform ordinary well water into filtered, healthy, spring..
- [Salt-Free Water Conditioner and Well Water Filter Combo](https://rkin.com/products/whole-house-salt-free-water-softener-and-well-water-filter-combo): Buy Salt-Free Water Softener and Well Water Filter Combo at RKIN! Uses the power of oxygen to transform ordinary well water into filtered, healthy spring-like w..
- [Water Softener System](https://rkin.com/products/rkin-whole-house-salt-based-water-softener-system): Buy Salt Based Water Softener System at RKIN! In the Bathroom: Your soap and shampoo will lather better. Your hair and skin will feel noticeably cleaner, softer..
- [Sulfur, Iron, Manganese Well Water Filter System](https://rkin.com/products/rkin-whole-house-well-water-filter-system-for-iron-sulfur-and-manganese-treatment): Buy Sulfur, Iron, Manganese Well Water Filter System at RKIN! Uses the power of oxygen to transform ordinary well water into filtered, healthy spring-like water..
- [RKIN 20" 5 Micron PP Sediment Filter for Whole House Water Filtration](https://rkin.com/products/rkin-20-5-micron-pp-sediment-filter-for-whole-house-water-filtration): Buy RKIN 20" 5 Micron PP Sediment Filter for Whole House Water Filtration at RKIN! Whole house sediment filter replacement cartridge.
- [Flash Undersink Reverse Osmosis System Post Filter Replacement Cartridge](https://rkin.com/products/flash-undersink-reverse-osmosis-system-post-filter-replacement-cartridge): Buy Flash Undersink Reverse Osmosis System Post Filter Replacement Cartridge at RKIN! RKIN Flash Post Filter Options:AlcaPure ALKALINE POST FILTER. Polishing Al..
- [Whole House Tank Jacket](https://rkin.com/products/whole-house-tank-jacket): Buy Whole House Tank Jacket at RKIN! UV and sweat protection for extended water softener tank lifespan and great look.
- [Whole House Carbon Water Filter System](https://rkin.com/products/rkin-whole-house-water-filter-system): Buy Whole House Carbon Water Filter System at RKIN! Transforms ordinary tap water into filtered, healthy spring-like water throughout your entire home.Filters s..
- [RKIN 5 Micron Sediment Filter](https://rkin.com/products/rkin-sediment-filter-pp5): Buy RKIN 5 Micron Sediment Filter at RKIN! RKIN 5 Micron Sediment Filter for Zero Installation Purifier or Flash Undersink Water System.
- [RKIN Carbon Block Filter](https://rkin.com/products/rkin-carbon-block-filter-ft-series-ft-92): Buy RKIN Carbon Block Filter at RKIN! Carbon Pre-Filter for Zero Installation Purifier or Flash Undersink Water System:Ensures the Reverse Osmosis membrane's lo..
- [Dual Function TDS Meter for Water Quality and Temp Measurements](https://rkin.com/products/dual-function-tds-meter-for-tds-and-water-temp-measurements): Buy Dual Function TDS Meter for Water Quality and Temp Measurements at RKIN! Total Dissolved Solids Or TDS is a measure of the dissolved combined content of all..
- [Post-filter Mounting Clips](https://rkin.com/products/post-filter-mounting-clips): Buy Post-filter Mounting Clips at RKIN! Mounts the post-filter inside the Zero Installation Purifier.
- [90 Micron Stainless Steel Screen Replacement Cartridge For Dragon HOT Self Cleaning Whole House Filter](https://rkin.com/products/90-micron-stainless-steel-screen-replacement-cartridge-for-dragon-hot-self-cleaning-whole-house-filter): Buy 90 Micron Stainless Steel Screen Replacement Cartridge For Dragon HOT Self Cleaning Whole House Filter at RKIN! For use on HOT water supply. 90 Micron Stain..
- [90 Micron Stainless Steel Screen Replacement Cartridge For Dragon Self Cleaning Whole House Filter](https://rkin.com/products/90-micron-stainless-steel-screen-replacement-cartridge-for-dragon-self-cleaning-whole-house-filter): Buy 90 Micron Stainless Steel Screen Replacement Cartridge For Dragon Self Cleaning Whole House Filter at RKIN! For use on cold water supply only.
- [OnliPure Edition Ion-Exchange Post Filter](https://rkin.com/products/onlipure-edition-zero-installation-purifier-ion-exchange-post-filter): Buy OnliPure Edition Ion-Exchange Post Filter at RKIN! Note: If converting from AlcaPure Edition to OnliPure Edition by using this post-filter, then larger atta..
- [Flash Undersink Reverse Osmosis System Replacement Filters Kit](https://rkin.com/products/flash-replacement-filters-kit): Buy Flash Undersink Reverse Osmosis System Replacement Filters Kit at RKIN! Recommended replacement every 12 months:

## Blogs
- [Blog](https://rkin.com/blogs/news)
- [Giveaways](https://rkin.com/blogs/giveaways)

## Pages
- [Questions or comments?](https://rkin.com/pages/contact-us): Have questions or comments about our products? Contact us.
- [Terms of Use (“Terms”)](https://rkin.com/pages/terms-of-use-terms): RKIN.com Terms of use
- [Privacy Policy](https://rkin.com/pages/privacy-policy): RKIN.com- Privacy Policy
- [Delivery Time Frame](https://rkin.com/pages/delivery-time-frame): Usually, we ship products within the same or the next business day. But, sometimes, it might take up to 5 business days after your order is placed. Once the ord..
- [User Guide](https://rkin.com/pages/zero-installation-purifier-user-guide): Download ZIP Manual, Instructional Videos, and tips.
- [RKIN WATER TECHNOLOGY BRAND](https://rkin.com/pages/about-us): The story behind RKIN. RKIN products are not just water filters; they are essential companions for a long, healthy life.
- [ZIP Reverse Osmosis Countertop Water Filter Financing](https://rkin.com/pages/zip-reverse-osmosis-countertop-water-filter-financing)
- [ZIP Limited Time Promo](https://rkin.com/pages/zip-limited-time-promo)
- [RKIN Reviews](https://rkin.com/pages/rkin-reviews): Reviews for RKIN products
- [RKIN Whole House Water Systems - Premium Lifetime Warranty](https://rkin.com/pages/premium-warranty): RKIN Water Systems provides the end-user with a warranty which attests that all "covered items" including its fittings, OnliSoft Media, tanks, housings, bypass'..
- [AlcaPure Zero Installation Purifier Giveaway by RKIN](https://rkin.com/pages/monthly-prize-giveaway): The RKIN monthly prize giveaway. We are giving away a brand new Zero Installation Purifier to a lucky RKIN e-mail subscriber.
- [How to Whitelist an Email](https://rkin.com/pages/how-to-whitelist-an-email): How to Whitelist an EmailIt can be frustrating not being able to whitelist emails to ensure that they make it through your inbox filters. Sorting through your s..
- [DON'T HAVE A TDS METER? GET ONE FOR FREE.](https://rkin.com/pages/complimentary-tds-meter): WHAT ARE TOTAL DISSOLVED SOLIDS OR TDS? Total Dissolved Solids Or TDS is a measure of the dissolved combined content of all inorganic and organic substances pre..
- [Schedule a Call with RKIN Water Treatment Expert](https://rkin.com/pages/schedule-rkin-whole-house-water-system-consultation-and-q-a)
- [Data Tools](https://rkin.com/pages/data-tools)
- [Subscription Management via Text](https://rkin.com/pages/subscription-management-via-text): 📲 Simplify your subscriptions with automated SMS reminders and order management 🔔Subscription Reminders 🔀Order Modifications 💁Customer Support SpeakerCamera inf..
- [RKIN Water Systems Video Chat](https://rkin.com/pages/video-call)
- [City and well water systems with transparent prices and lifetime warranties, backed by local service. Now available in Lee and Collier counties.](https://rkin.com/pages/rkin-installation-services)
- [navidium claim page](https://rkin.com/pages/navidium-claim-page)
- [Water treatment phone consultation confirmed](https://rkin.com/pages/swfl-water-treatment-phone-consultation-confirmed): Thank you! Talk soon....
- [New Year New You Sale](https://rkin.com/pages/new-year-new-you-sale)
- [about-us](https://rkin.com/pages/about-us-1)
- [Contact Us](https://rkin.com/pages/contact-us-1)
- [About New](https://rkin.com/pages/about-new)
- [New - Contact](https://rkin.com/pages/new-contact)

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- Product data: https://rkin.com/products/{handle}.json
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## Optional
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