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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 Iron and Manganese Reduction Water Cartridge Kit
Price $109.99 List Price Price $142.99 Save 23%Free ShippingTier1 20 inch Big Polypropylene Filter Housing with Iron and Lead Reduction Water Cartridge Kit
Price $124.99 List Price Price $162.49 Save 23%Free ShippingTier1 Iron and Lead Reducing Replacement Water Filter
Price $64.99 List Price Price $84.49 Save 23%Tier1 Iron and Manganese Reducing Replacement Water Filter
Price $48.99 List Price Price $63.69 Save 23%Tier1 Essential Series Whole House Carbon and KDF Water Purification and Water Softener System
Price $1,119.99 List Price Price $1,310.99 Save 14%Free ShippingTier1 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 R30-20BB Comparable 155430-43 Pleated Polyester Filter Cartridge Replacement Kit with O-ring and Lubricant (20 inches x 4-1/2 inches, 30 Micron)
Price $33.99 List Price Price $48.99 Save 30%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 Sediment Filter Kit (1 inch Inlet/Outlet)
Price $78.99 List Price Price $112.99 Save 30%Tier1 20 inch Big Polypropylene Filter Housing with Pressure Release and Pleated Filter Kit (1 inch Inlet/Outlet)
Price $105.99 List Price Price $150.99 Save 29%Free ShippingTier1 20 inch Big Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit (1 inch Inlet/Outlet)
Price $113.99 List Price Price $162.99 Save 30%Free Shipping