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!

No Worries...
  • 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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  • PUR-FM-3333B-CLASSIC-CLEAR

    PUR-FM-3333B-CLASSIC-CLEAR

    $21.99
    MSRP: $31.04
    Save 29%
  • PUR-FM-3400B-VERTICAL-FAUCET-WHT

    PUR-FM-3400B-VERTICAL-FAUCET-WHT

    $32.99
    MSRP: $40.24
    Save 18%
  • PUR-FM-3700B-VERTICAL-FAUCET-CHR

    PUR-FM-3700B-VERTICAL-FAUCET-CHR

    $38.99
    MSRP: $40.24
    Save 3%
  • PUR-FM-4100B-VERTICAL-FAUCET-SS

    PUR-FM-4100B-VERTICAL-FAUCET-SS

    $35.99
    MSRP: $40.24
    Save 11%
  • FM-9100M PUR 3-Stage Horizontal Faucet Filter System - Stainless Steel
  • PUR-FM-9400B-HORIZONTAL-FAUCET-CHR

    PUR-FM-9400B-HORIZONTAL-FAUCET-CHR

    $38.99
    MSRP: $49.21
    Save 21%
  • PUR-FM-9600B-HORIZONTAL-FAUCET-WHT

    PUR-FM-9600B-HORIZONTAL-FAUCET-WHT

    $38.99
    MSRP: $49.21
    Save 21%
  • PUR-RF-3375-CLASSIC-CLEAR-FILTER

    PUR-RF-3375-CLASSIC-CLEAR-FILTER

    $13.99
    MSRP: $18.85
    Save 26%
  • PUR-RF-3375-CLASSIC-CLEAR-FILTER-2PK

    PUR-RF-3375-CLASSIC-CLEAR-FILTER-2PK

    $24.59
    MSRP: $26.44
    Save 7%
  • RF-9999

    RF-9999

    $19.99
    MSRP: $26.44
    Save 24%
  • RF-9999-3

    RF-9999-3

    $38.99
    MSRP: $51.74
    Save 25%
  • RF-9999-6 PUR 3-Stage Mineral Clear Faucet Filter Replacement Cartridge (6-Pack)
  • FM-5050C PUR Flavor Options Faucet Filter System - Chrome
  • PUR-RF9999-2NM

    PUR-RF9999-2NM

  • RF-9999-2

    RF-9999-2

    $28.99
  • RF-9999 PUR MineralClear Water Faucet Filter Refill (4-Pack)

16 Item(s)

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