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 116 total

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  • WHKF-IMTO Whirlpool Inline Filter

    WHKF-IMTO Whirlpool Inline Filter

    $11.99
    MSRP: $14.94
    Save 20%
  • KX-MATRIKX-PB1-10

    KX-MATRIKX-PB1-10

    $20.59
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • LSJC10RC Lifesaver 10000UF Jerrycan Replacement Filter Cartridge
  • 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
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99
    MSRP: $26.44
    Save 17%
  • OMNIPURE-E5620-P

    OMNIPURE-E5620-P

    $22.19
    MSRP: $31.04
    Save 29%
  • OMNIPURE-E5720

    OMNIPURE-E5720

    $33.99
  • OMNIPURE-E5720-P

    OMNIPURE-E5720-P

    $25.99
    MSRP: $32.19
    Save 19%
  • OMNIPURE-ELF-1ML

    OMNIPURE-ELF-1ML

    $31.99
    MSRP: $40.24
    Save 21%
  • 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%
  • 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
  • OMNIPURE-Q5505

    OMNIPURE-Q5505

    $12.09
    MSRP: $15.51
    Save 22%
  • 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%
  • OMNIPURE-Q5633

    OMNIPURE-Q5633

    $17.89
    MSRP: $20.69
    Save 14%
  • OMNIPURE-Q5640

    OMNIPURE-Q5640

    $16.79
    MSRP: $20.69
    Save 19%
  • Q5786 Omnipure Replacement Filter Cartridge

    Q5786 Omnipure Replacement Filter Cartridge

    $19.99
    MSRP: $25.29
    Save 21%
  • PENTEK-C1

    PENTEK-C1

    $14.99
    MSRP: $19.99
    Save 25%
  • PENTEK-CBC-5

    PENTEK-CBC-5

    $10.29
    MSRP: $16.55
    Save 38%
  • 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%
  • OMNIPURE-E5620

    OMNIPURE-E5620

    $20.09
    MSRP: $36.79
    Save 45%
  • OMNIPURE-E5733

    OMNIPURE-E5733

    $15.69
    MSRP: $19.54
    Save 20%
  • OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39
    MSRP: $28.74
    Save 12%
  • 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
  • TIER1-KDF55-10

    TIER1-KDF55-10

    $23.99
    MSRP: $28.74
    Save 17%
  • 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%
  • HYDROLOGIC-22105

    HYDROLOGIC-22105

    $8.99
    MSRP: $12.06
    Save 25%
  • HYDROLOGIC-22110

    HYDROLOGIC-22110

    $18.99
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09
    MSRP: $27.59
    Save 24%
  • 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%
  • TIER1-C5-20

    TIER1-C5-20

Items 49 to 96 of 116 total

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