The U1 and U1-W use the same replacement cartridges, so every cartridge on this page fits both.
U1 Replacement Filter Cartridges and Accessories
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Whole House Water Systems
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How to choose in 3 steps
- Select your filtrationCity water › · Well water ›
- Choose your system size Match it to your home and how much water you use.
- Decide your install method Install it yourself or hire a local plumber.
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Water Filters
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Bundle & Save
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Air Purifiers
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HEPA 14 Air Purifier
AH-14 and AH-14 Pro
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AH-14 Pro Bundle
3+ years of cartridges
HEPA 14 · UV · Carbon
Cleaner air without the hassle.
HEPA 14 captures dust, pollen, smoke, and allergens. Activated carbon reduces odors.
AH-14 $296.00 · AH-14 Pro $331.00
Replacement Cartridges
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On select replacement cartridges, delivered on your schedule. Modify or cancel anytime.
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Whole house water systems
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