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U1 by RKIN, the 4-in-1 water system, is now available for order

  • Drinking Water Filters
    • Countertop Water Filter
      • Zero Installation Purifier
      • Replacement Filters for Zero Installation Purifier
      • Replacement Parts for Zero Installation Purifier
    • Undersink Water System
      • Flash AlcaPure RO System
      • Replacement Filters for Flash RO System
  • Whole House Water Systems
    • Water Softener and Water Filter Combo
      • Salt-Free Water Softener and Whole House Carbon Filter System
      • Salt-Based Water Softener and Whole House Carbon Filter System
      • OP1L and Water Softener
      • CBS Salt-Free Water Softener Whole House Water Filter
      • Salt-Free Anti-Scale System with Dual Carbon Filtration
    • Whole House Filters
      • Whole House Water Filter System
      • Lead, Cyst, PFOA, and PFOS Filter System
      • CBS Dual Carbon Whole House Filter System
      • 5 Micron Sediment Whole House Filter
    • Water Softeners
      • Salt Based Water Softener
      • OnliSoft Salt-Free Water Softener
      • CBS Salt-Free Water Softener
      • CBS PPH AntiScale System
    • Well Water Systems
      • Salt-Free Water Softener and Well Water Filter Combo
      • Salt-Based Water Softener and Well Water Filter Combo
      • Sulfur, Iron, and Manganese Well Water Filter System
      • RKIN 5 Micron Sediment Whole House Filter
      • Salt Based Water Softener System
    • Cartridges and Media
    • Installation Kits
    • Water Tests
  • All Products
    • Whole House Tank Jackets
    • Whole House Water Systems
    • Reverse Osmosis Water Filters
    • Cartridge Based Water Systems
    • Smart Misting System
  • What's in your water
  • Contact us
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RKIN
  • Drinking Water Filters
    • Countertop Water Filter
      • Zero Installation Purifier
      • Replacement Filters for Zero Installation Purifier
      • Replacement Parts for Zero Installation Purifier
    • Undersink Water System
      • Flash AlcaPure RO System
      • Replacement Filters for Flash RO System
  • Whole House Water Systems
    • Water Softener and Water Filter Combo
      • Salt-Free Water Softener and Whole House Carbon Filter System
      • Salt-Based Water Softener and Whole House Carbon Filter System
      • OP1L and Water Softener
      • CBS Salt-Free Water Softener Whole House Water Filter
      • Salt-Free Anti-Scale System with Dual Carbon Filtration
    • Whole House Filters
      • Whole House Water Filter System
      • Lead, Cyst, PFOA, and PFOS Filter System
      • CBS Dual Carbon Whole House Filter System
      • 5 Micron Sediment Whole House Filter
    • Water Softeners
      • Salt Based Water Softener
      • OnliSoft Salt-Free Water Softener
      • CBS Salt-Free Water Softener
      • CBS PPH AntiScale System
    • Well Water Systems
      • Salt-Free Water Softener and Well Water Filter Combo
      • Salt-Based Water Softener and Well Water Filter Combo
      • Sulfur, Iron, and Manganese Well Water Filter System
      • RKIN 5 Micron Sediment Whole House Filter
      • Salt Based Water Softener System
    • Cartridges and Media
    • Installation Kits
    • Water Tests
  • All Products
    • Whole House Tank Jackets
    • Whole House Water Systems
    • Reverse Osmosis Water Filters
    • Cartridge Based Water Systems
    • Smart Misting System
  • What's in your water
  • Contact us
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Collections

  • Reverse Osmosis Water Filters

    Reverse Osmosis Water Filters

    Whether you own or rent, we have a solution for you, from whole... 

    Reverse Osmosis Water Filters

  • Whole House Water Treatment Systems

    Whole House Water Treatment Systems

     

    Whole House Water Treatment Systems

  • Undersink Systems

    Undersink Systems

    Undersink Systems

  • RKIN CBS - Cartridge Based Whole House Water Systems

    RKIN CBS - Cartridge Based Whole House Water Systems

    CBS stands for cartridge-based systems. RKIN CBS water filters are compact and... 

    RKIN CBS - Cartridge Based Whole House Water Systems

  • UV Water Systems and components

    UV Water Systems and components

    UV Water Systems and components

  • Water Tests

    Water Tests

    RKIN water tests are provided in collaboration with SimpleLab.  

    Water Tests

  • Replacement Filters and Media

    Replacement Filters and Media

    Replacement Filters and Media

  • Misting Systems

    Misting Systems

    Misting Systems

  • Refurbished Products

    Refurbished Products

    Refurbished Products

  • Installation Kits

    Installation Kits

    Installation Kits

  • Water Pumps

    Water Pumps

    Water Pumps

  • Zero Installation Purifier Replacement Parts

    Zero Installation Purifier Replacement Parts

    Zero Installation Purifier comes with a 1-year warranty, and all the parts... 

    Zero Installation Purifier Replacement Parts

Get in touch

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Mailing Address
2331 Bruner Ln #3 
Fort Myers, FL 33912

Phone
1-800-803-4551
Mon-Fri: 9 AM-5 PM EST

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