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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Items 1 to 48 of 73 total

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  • P25-30 Comparable Polypropylene Sediment Filter by Tier1
  • Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    $11.99
    MSRP: $13.56
    Save 12%
  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99
    MSRP: $17.99
    Save 33%
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)
  • HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    $13.99
    MSRP: $19.99
    Save 30%
  • K2586-KK Omnipure Inline Water Filter

    K2586-KK Omnipure Inline Water Filter

    $14.29
    MSRP: $20.99
    Save 32%
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • WFDWC20001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFPFC8002 DuPont Universal Whole House Carbon Wrap Two-Phase Cartridge (2-pack)
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • Hydronix SDC-25-4050 Polypropylene Sediment Filter
  • Hydronix SDC-25-4075 Polypropylene Sediment Filter
  • SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-4010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • L5515 Omnipure GAC Replacement Filter Cartridge

    L5515 Omnipure GAC Replacement Filter Cartridge

    $16.99
    MSRP: $24.99
    Save 32%
  • HF2-10BLBK12 Hydronix Whole House Filter Housing

    HF2-10BLBK12 Hydronix Whole House Filter Housing

    $16.99
    MSRP: $24.99
    Save 32%
  • WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • HF2-10CLBK12 Hydronix Clear Whole House Filter Housing

    HF2-10CLBK12 Hydronix Clear Whole House Filter Housing

    $17.99
    MSRP: $25.99
    Save 31%
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • Hydronix SDC-25-3001 Polypropylene Sediment Filter
  • Hydronix SDC-25-3075 Polypropylene Sediment Filter
  • Everpure EV9618-02 Comparable Food Service Replacement Filter by Tier1
  • EV9618-02 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9618-01 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9618-06 Everpure Comparable Food Service Replacement Filter by Tier1
  • E5420-P-1M-SB Omnipure Comparable Food Service Replacement Filter by Tier1
  • AP317 Aquapure Comparable Food Service Replacement Filter by Tier1
  • SDC-25-4001 Hydronix Sediment Water Filter Cartridge
  • Hydronix SDC-25-4010 Polypropylene Sediment Filter
  • Hydronix SDC-25-4025 Polypropylene Sediment Filter
  • K2386-JJ Omnipure Inline Phosphate Water Filter

    K2386-JJ Omnipure Inline Phosphate Water Filter

    $10.05
    MSRP: $17.24
    Save 42%
  • CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    $10.99
    MSRP: $14.94
    Save 26%
  • Q5328 Omnipure Water Filter

    Q5328 Omnipure Water Filter

    $10.99
    MSRP: $14.94
    Save 26%
  • CL6ROT33-B Omnipure Inline Filter

    CL6ROT33-B Omnipure Inline Filter

    $11.09
    MSRP: $16.99
    Save 35%
  • GX01-30 Hytrex Water Filter Cartridge

    GX01-30 Hytrex Water Filter Cartridge

    $11.99
    MSRP: $16.09
    Save 25%
  • PURTREX PX05-29-14 Sediment Filter

    PURTREX PX05-29-14 Sediment Filter

    $11.99
    MSRP: $14.34
    Save 16%
  • CL10ROT33-B Omnipure Inline Filter

    CL10ROT33-B Omnipure Inline Filter

    $12.19
    MSRP: $16.99
    Save 28%
  • GX10-30 Hytrex Replacement Filter Cartridge

    GX10-30 Hytrex Water Filter Cartridge

    $12.59
    MSRP: $19.99
    Save 37%
  • Purtrex PX01-40 Polypropylene Sediment Filter

    Purtrex PX01-40 Polypropylene Sediment Filter

    $12.99
    MSRP: $17.24
    Save 25%
  • Hydronix GX50-30 Polypropylene Sediment Filter

    Hydronix GX50-30 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.36
    Save 10%
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    $13.19
    MSRP: $20.99
    Save 37%
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $13.89
    MSRP: $21.99
    Save 37%

Items 1 to 48 of 73 total

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