Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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16 Item(s)

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  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1
  • PBH-410-1 Pentek Bag Filter Housing with 1-inch Inlet/Outlet

    PBH-410-1 Pentek Filter Bag Housing

    $123.99
    MSRP: $126.34
    Save 2%
  • ST-1 Pentek Filter Housing - Stainless Steel

    ST-1 Pentek Filter Housing - Stainless Steel

    $167.99
    MSRP: $191.81
    Save 12%
  • US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $130.79
    MSRP: $179.99
    Save 27%
  • US-1500 Pentek Undersink Filter System with Monitor

    US-1500 Pentek Undersink Filter System with Monitor

    $172.09
    MSRP: $228.99
    Save 25%
  • 150111 Pentek High Temperature Filter Housing - Red

    150111 Pentek High Temperature Filter Housing - Red

    $139.99
    MSRP: $159.84
    Save 12%
  • BBFS-22 Pentek Two Housing Filter System

    BBFS-22 Pentek Two Housing Filter System

    $175.09
    MSRP: $203.65
    Save 14%
  • CBC20-BB Pentek Replacement Filter Cartridge
  • CRFC-20BB Pentek Chloramine Reduction Water Filter

    CRFC-20BB Pentek Chloramine Reduction Water Filter

    $116.29
    MSRP: $151.99
    Save 23%
  • KDF85-20 Tier1 Water Filter
  • 150194 Pentek High Temp Filtration System Housing (20 Inch)

    150194 Pentek High Temp Filtration System Housing (20 Inch)

    $125.99
    MSRP: $202.39
    Save 38%
  • TIER1_P5_30_20_PACK

16 Item(s)

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