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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.
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Tier1 Pentek EP-20BB 155583-43 Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant
Price $50.99 List Price Price $67.99 Save 25% -
Tier1 20 inch Big Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit (1 inch Inlet/Outlet)
Price $119.99Free Shipping -
20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)
Price $33.99 List Price Price $69.77 Save 51% -
20 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)
Price $39.99 List Price Price $48.99 Save 18% -
20 X 4.5 Carbon Block Replacement Filter by Tier1 (0.5 micron)
Price $58.99 List Price Price $136.99 Save 56%