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Tier1 Air & Water Filters

We deliver quality & value: Tier1® brand filters deliver high quality and maximum performance comparable to OEM brand models but at a discounted rate.
We have you covered: We have replacement models for all the top water filter, air filter, faucet filter, whole house filter, and pool and spa filter brands, including American Plumber, Aqua-Pure, Culligan, Pentek, Whirlpool, and more.
Tier1 20 inch Slim Polypropylene Filter Housing with 5 Micron Carbon and Polyphosphate Water Softening Cartridge Kit
Price $70.99 List Price Price $92.29 Save 23%Tier1 20 inch Slim Polypropylene Filter Housing with 10 Micron Carbon and Anti-scale Water Softening Cartridge Kit
Price $81.99 List Price Price $106.59 Save 23%Tier1 10 Micron Carbon and Anti-scale Water Softening Replacement Cartridge
Price $28.99 List Price Price $37.69 Save 23%Tier1 5 Micron Carbon and Polyphosphate Whole House Softening Replacement Cartridge
Price $18.99 List Price Price $26.99 Save 29%Tier1 CT-S-1000 Countertop Drinking Water Filter System and 10 x 2.5 Inch 10 Stage Filter Cartridge Replacement
Price $54.99 List Price Price $78.99 Save 30%Tier1 10 x 2.5 Inch 10 Stage Countertop or Undersink Filter Cartridge Replacement
Price $28.99 List Price Price $40.99 Save 29%Tier1 4-Stage Under Sink Ultra-Filtration Hollow Fiber Quick-Change Drinking Water Filter System with 4 Reusable Glass Water Bottles
Price $154.99 List Price Price $220.99 Save 29%Free ShippingTier1 4-Stage Ultra-Filtration Hollow Fiber Drinking Water Filter System (Quick Change)
Price $138.99 List Price Price $198.99 Save 30%Free ShippingGE MWF Comparable Refrigerator Water Filter with GE Cafe Series Comparable Odor Filter Combo by Tier1
Price $41.99 List Price Price $59.99 Save 30%3/8-Inch Quick Connect Inline Coconut Water Filter Cartridge
Price $16.99 List Price Price $23.99 Save 29%