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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24 Item(s)

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  • HYDRONIX-ICF-2512

    HYDRONIX-ICF-2512

    $26.49
  • HYDRONIX-ISF-2512

    HYDRONIX-ISF-2512

    $9.89
    MSRP: $12.64
    Save 22%
  • OMNIPURE-E5615

    OMNIPURE-E5615

    $26.99
    MSRP: $40.24
    Save 33%
  • OMNIPURE-E5620-P

    OMNIPURE-E5620-P

    $22.19
    MSRP: $31.04
    Save 29%
  • OMNIPURE-K5605-JJ

    OMNIPURE-K5605-JJ

    $15.39
    MSRP: $18.39
    Save 16%
  • OMNIPURE-K5633BB

    OMNIPURE-K5633BB

    $20.99
  • OMNIPURE-K5633CC

    OMNIPURE-K5633CC

    $15.99
    MSRP: $17.24
    Save 7%
  • OMNIPURE-K5633JJ

    OMNIPURE-K5633JJ

    $15.79
    MSRP: $18.85
    Save 16%
  • OMNIPURE-K5633KK

    OMNIPURE-K5633KK

    $14.39
    MSRP: $18.85
    Save 24%
  • OMNIPURE-Q5605

    OMNIPURE-Q5605

    $17.89
  • OMNIPURE-Q5615

    OMNIPURE-Q5615

    $31.79
    MSRP: $34.49
    Save 8%
  • OMNIPURE-Q5615-P

    OMNIPURE-Q5615-P

    $28.99
    MSRP: $36.79
    Save 21%
  • OMNIPURE-Q5620

    OMNIPURE-Q5620

    $19.99
    MSRP: $25.29
    Save 21%
  • Q5620-P Omnipure Replacement Filter Cartridge

    Q5620-P Omnipure Replacement Filter Cartridge

    $25.39
    MSRP: $36.99
    Save 31%
  • OMNIPURE-Q5621

    OMNIPURE-Q5621

    $21.09
    MSRP: $24.14
    Save 13%
  • OMNIPURE-Q5621-P

    OMNIPURE-Q5621-P

    $23.19
    MSRP: $27.59
    Save 16%
  • OMNIPURE-Q5633

    OMNIPURE-Q5633

    $17.89
    MSRP: $20.69
    Save 14%
  • Q5640 Omnipure Replacement Filter Cartridge

    Q5640 Omnipure Replacement Filter Cartridge

    $16.79
    MSRP: $24.99
    Save 33%
  • OMNIPURE-K5605-BB

    OMNIPURE-K5605-BB

    $14.29
  • CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System
  • OMNIPURE-E5615-P

    OMNIPURE-E5615-P

    $29.99
    MSRP: $42.54
    Save 30%
  • Q5648 Omnipure Calcite Water Filter

    Q5648 Omnipure Calcite Water Filter

    $17.89
    MSRP: $24.99
    Save 28%
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • GXRTQR GE SmartWater Inline Filter Replacement Cartridge

24 Item(s)

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