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

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  • Our products are price match guaranteed!
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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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25 Item(s)

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  • Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    $19.99 MSRP: $24.83
    Save 19%
  • ZEROWATER-ZR-001

    ZEROWATER-ZR-001

    $19.99
    MSRP: $20.69
    Save 3%
  • ZEROWATER-ZR-006

    ZEROWATER-ZR-006

    $55.99
    MSRP: $79.99
    Save 30%
  • ZEROWATER-ZR-008

    ZEROWATER-ZR-008

    $89.99
    MSRP: $99.99
    Save 10%
  • ZEROWATER-ZR-017

    ZEROWATER-ZR-017

    $29.99
    MSRP: $31.99
    Save 6%
  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99
    MSRP: $32.19
    Save 10%
  • HF8-S Cuno Whole House Filter Replacement Cartridge

    HF8-S Cuno Whole House Water Filter Cartridge

    $50.99
    MSRP: $62.09
    Save 18%
  • SWC1350 Cuno Whole House Filter Replacement Cartridge

    SWC1350 Cuno Whole House Water Filter Cartridge

    $67.99
    MSRP: $81.64
    Save 17%
  • 7DM Everpure Replacement Filter Cartridge

    7DM Everpure Replacement Filter Cartridge

    $93.99
    MSRP: $128.79
    Save 27%
  • 22017 Hydrologic Replacement De-Ionization Cartridge

    22017 Hydrologic Deionization Filter Cartridge

    $54.99
    MSRP: $71.29
    Save 23%
  • PCF1-10MB Pentek Whole House Filter Replacement Cartridge

    PCF1-10MB Pentek Whole House Filter Replacement Cartridge

    $24.99
    MSRP: $30.69
    Save 19%
  • PCF1-20MB Pentek Whole House Filter Replacement Cartridge

    PCF1-20MB Pentek Whole House Filter Replacement Cartridge

    $42.99
    MSRP: $49.67
    Save 13%
  • WS-20 Pentek Water Softening Filter

    WS-20 Pentek Water Softening Filter

    $26.99
    MSRP: $35.64
    Save 24%
  • WS-20BB Pentek Whole House Filter Replacement Cartridge

    WS-20BB Pentek Whole House Filter Replacement Cartridge

    $45.99
    MSRP: $52.08
    Save 12%
  • ZEROWATER-ZD-010

    ZEROWATER-ZD-010

    $34.99
  • ZEROWATER-ZD-013

    ZEROWATER-ZD-013

  • ZEROWATER-ZD-018

    ZEROWATER-ZD-018

    $39.99
  • K5562-BB-NRW37 Omnipure Deionization Inline Filter

    K5562-BB-NRW37 Omnipure Deionization Inline Filter

    $22.99
    MSRP: $25.29
    Save 9%
  • Q5754-C100E Omnipure Water Softening Filter

    Q5754-C100E Omnipure Water Softening Filter

    $21.19
    MSRP: $31.99
    Save 34%
  • BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    $89.99
    MSRP: $144.23
    Save 38%
  • ZJ-003 ZeroWater Water Cooler Bottle Filtration System

    ZJ-003 ZeroWater Water Cooler Filter System

    $69.99
    MSRP: $82.79
    Save 15%
  • ZEROWATER-ZP-006

    ZEROWATER-ZP-006

    $25.99
    MSRP: $32.19
    Save 19%
  • OMNIPURE-K2555-BB

    OMNIPURE-K2555-BB

    $21.89
  • AF-10-3695 Aries Arsenic Removal Water Filter

    AF-10-3695 Aries Arsenic Removal Water Filter

    $57.99
    MSRP: $77.04
    Save 25%
  • CQE-RC-04016 Crystal Quest Multi Stage PLUS Water Filter Cartridge

25 Item(s)

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