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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13 Item(s)

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  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • Pentek ECP50-20BB Replacement Water Filter Cartridge

    ECP50-20BB Pentek Replacement Filter Cartridge

    $24.99 MSRP: $31.99
    Save 22%
  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • ECP50-20BB Pentek Comparable Replacement Filter Cartridge by Tier1
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99
    MSRP: $35.64
    Save 16%
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • HB-20-50W Harmsco Calypso Blue Replacement Filter Cartridge

    HB-20-50W Harmsco Calypso Blue Replacement Filter Cartridge

    $38.99
    MSRP: $49.99
    Save 22%
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $5.09
    MSRP: $9.99
    Save 49%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • BP-420-50 Pentek Polypropylene Bag Filter

    BP-420-50 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $8.15
    Save 39%

13 Item(s)

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