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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 Big Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit (1 inch Inlet/Outlet)
Price $112.99 List Price Price $160.99 Save 29%Free Shipping
Tier1 Pentek EP-20BB 155583-43 Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant
Price $46.99 List Price Price $67.99 Save 30%
20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)
Price $39.99 List Price Price $56.99 Save 29%
20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
Price $23.99 List Price Price $33.99 Save 29%
Tier1 Pentek DGD-5005-20 Comparable 155358 Spun Polypropylene Filter Cartridge Replacement Kit with O-ring and Lubricant
Price $26.99 List Price Price $38.99 Save 30%
20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron)
Price $27.99 List Price Price $39.99 Save 30%
10 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)
Price $27.99 List Price Price $39.99 Save 30%
Tier1 RFC-20BB 20 X 4.5 Radial Flow Granular Activated Carbon Replacement Filter (25 micron)
Price $37.99 List Price Price $53.99 Save 29%
20 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)
Price $48.99 List Price Price $69.99 Save 30%
20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron)
Price $27.99 List Price Price $39.99 Save 30%
10 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)
Price $26.99 List Price Price $38.99 Save 30%
Tier1 10 inch Big Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit (1 inch Inlet/Outlet)
Price $83.99 List Price Price $119.99 Save 30%
