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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 1 Micron Carbon and Polyphosphate Water Softening Cartridge Kit
Price $72.99 List Price Price $94.89 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 1 Micron Carbon and Polyphosphate Water Softening Replacement Cartridge
Price $20.99 List Price Price $29.99 Save 30%Tier1 5 Micron Carbon and Polyphosphate Whole House Softening Replacement Cartridge
Price $18.99 List Price Price $26.99 Save 29%Tier1 20 inch x 2.5 inch Pleated Polyester Sediment Water Filter Kit (5 Micron)
Price $23.99 List Price Price $33.99 Save 29%Tier1 Pentek EP-20 155529-43 Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant
Price $21.99 List Price Price $30.99 Save 29%Tier1 20 inch Slim Polypropylene Filter Housing with Pressure Release and Sediment Filter Kit (3/4 inch Inlet/Outlet)
Price $69.99 List Price Price $99.99 Save 30%Tier1 20 inch Slim Polypropylene Filter Housing with Pressure Release and Pleated Filter Kit (3/4 inch Inlet/Outlet)
Price $74.99 List Price Price $106.99 Save 29%Tier1 20 inch Slim Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit (3/4 inch Inlet/Outlet)
Price $73.99 List Price Price $105.99 Save 30%Tier1 20 inch x 2.5 inch Pleated Sediment Water Filter (5 micron)
Price $15.99 List Price Price $22.99 Save 30%