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

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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 49 to 96 of 109 total

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  • 800R OmniFilter Quick Change Replacement Filter Cartridge
  • BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    $69.99
    MSRP: $82.79
    Save 15%
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99
    MSRP: $35.64
    Save 19%
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99
    MSRP: $26.44
    Save 17%
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $22.19
    MSRP: $33.99
    Save 35%
  • E5720 Omnipure Replacement Filter Cartridge

    E5720 Omnipure Replacement Filter Cartridge

    $33.99
    MSRP: $36.34
    Save 6%
  • E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    $25.99
    MSRP: $32.19
    Save 19%
  • ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    $31.99
    MSRP: $40.24
    Save 21%
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99
    MSRP: $23.34
    Save 10%
  • K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    $15.99
    MSRP: $17.24
    Save 7%
  • K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    $15.79
    MSRP: $22.99
    Save 31%
  • K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    $14.39
    MSRP: $18.85
    Save 24%
  • OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  • Q5505 Omnipure Water Filter

    Q5505 Omnipure Water Filter

    $12.09
    MSRP: $21.99
    Save 45%
  • Q5620 Omnipure Replacement Filter Cartridge

    Q5620 Omnipure Replacement Filter Cartridge

    $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%
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $21.09
    MSRP: $27.99
    Save 25%
  • Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    $23.19
    MSRP: $35.99
    Save 36%
  • Q5633 Omnipure Replacement Filter Cartridge

    Q5633 Omnipure Replacement Filter Cartridge

    $17.89
    MSRP: $24.99
    Save 28%
  • Q5640 Omnipure Replacement Filter Cartridge

    Q5640 Omnipure Replacement Filter Cartridge

    $16.79
    MSRP: $24.99
    Save 33%
  • Q5786 Omnipure Replacement Filter Cartridge

    Q5786 Omnipure Replacement Filter Cartridge

    $19.99
    MSRP: $25.29
    Save 21%
  • C1 Pentek Undersink Filter Replacement Cartridge

    Pentek C1 Undersink Water Filter Replacement Cartridge

    $14.99
    MSRP: $19.99
    Save 25%
  • CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    $10.29
    MSRP: $15.99
    Save 36%
  • SFH5-CM Sprite ShowerFalls Filtered Shower Extension - Chrome - 1
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $32.00
    MSRP: $63.99
    Save 50%
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $26.00
    MSRP: $34.55
    Save 25%
  • H2O+ Brondell Cypress Countertop Water Filtration System (#H630)
  • HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    $33.09
    MSRP: $43.99
    Save 25%
  • HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    $51.69
    MSRP: $66.99
    Save 23%
  • HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    $33.09
    MSRP: $44.99
    Save 26%
  • E5620 Omnipure E-Series Everpure Compatible Filter

    E5620 Omnipure E-Series Everpure Compatible Filter

    $20.09
    MSRP: $41.99
    Save 52%
  • E5733 Omnipure Granular Activated Carbon Water Filter

    E5733 Omnipure Granular Activated Carbon Water Filter

    $15.69
    MSRP: $30.99
    Save 49%
  • K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    $25.39
    MSRP: $30.99
    Save 18%
  • Q5405 Omnipure Q-Series Sediment Water Filter

    Q5405 Omnipure Q-Series Sediment Water Filter

    $12.99
    MSRP: $16.04
    Save 19%
  • BBS Sprite Hand-Held Baby Shower Filter
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99
    MSRP: $27.34
    Save 12%
  • P1020266 Culligan Carbon Block Water Filter
  • Body Glove Countertop Water Filtration System (#BODY-GLOVE-WI-BG-COUNTERTOP)
  • 55898C Halsey-Taylor Drinking Fountain Filter Replacement Cartridge

    55898C Halsey-Taylor Water Filter Cartridge Replacement

    $91.69
    MSRP: $160.99
    Save 43%
  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    $21.09
    MSRP: $33.99
    Save 38%
  • AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    $126.05
    MSRP: $171.99
    Save 27%
  • C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • 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%
  • EV977100 Everpure Chloramine Reduction Water Filter Replacement
  • AF-10-1053 Aries Specialty Cartridge Hydrogen Sulfide Removal

Items 49 to 96 of 109 total

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