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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 Pentek DGD-5005-20 Comparable 155358 Spun Polypropylene Filter Cartridge Replacement Kit with O-ring and Lubricant
Price $27.99 List Price Price $39.99 Save 30%Tier1 Pentek DGD-5005 155357-43 Spun Polypropylene Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant (10 inches x 4-1/2 inches)
Price $18.99 List Price Price $30.99 Save 38%Tier1 Pentek P5 155014-43 Spun Polypropylene Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant (9-3/4 inch x 2-3/8 inch)
Price $13.99 List Price Price $19.99 Save 30%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 Big Polypropylene Filter Housing with Pressure Release and Sediment Filter Kit (1 inch Inlet/Outlet)
Price $78.99 List Price Price $112.99 Save 30%Tier1 10 inch Big Polypropylene Filter Housing with Pressure Release and Sediment Filter Kit (1 inch Inlet/Outlet)
Price $82.99 List Price Price $118.99 Save 30%Tier1 10 inch x 4.5 inch String Wound Sediment Water Filter (20 Micron) (6 Pack)
Price $74.99 List Price Price $106.99 Save 29%20 X 2.5 Polypropylene Replacement Filter by Tier1 (5 micron) (6-Pack)
Price $25.99 List Price Price $36.99 Save 29%Tier1 40 inch x 2.5 inch Whole House Sediment Water Filter (75 Micron)
Price $13.99 List Price Price $19.99 Save 30%Automatic Shut-Off Valve ASOV-14QW (1/4-Inch Quick Connect)
Price $8.99 List Price Price $19.99 Save 55%20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
Price $19.99 List Price Price $28.99 Save 31%