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!

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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 103 total

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  • Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier1
  • EV9612-56 Everpure EV9612-56 Comparable Food Service Replacement Filter by Tier
  • ELF-XL-1M-KDF Everpure Comparable Food Service Replacement Filter by Tier1
  • 4621-20 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • NU-MC2 Nucalgon Comparable Food Service Replacement Filter by Tier1
  • CFS9110 Cuno Comparable Food Service Replacement Filter by Tier1
  • CFS9112 Cuno Comparable Food Service Replacement Filter by Tier1
  • EP25 Aquapure Comparable Food Service Replacement Filter by Tier1
  • 9320-2401 Ecolab Comparable Food Service Replacement Filter by Tier1
  • ECO-MC Ecolab Comparable Food Service Replacement Filter by Tier1
  • FRSS-1.5 Sterilight 1.5 GPM 1/2-inch Flow Restrictor
  • FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    $52.99
    MSRP: $90.00
    Save 41%
  • Pentair GF20-30BPPPDB Industrial Triflex Microfiberglass Cartridge
  • APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    $58.05
    MSRP: $94.99
    Save 39%
  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    $59.99
    MSRP: $64.99
    Save 8%
  • Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Hydronix HF45-10BLBK15 Filter Housing (Blue)

    $59.99
    MSRP: $75.99
    Save 21%
  • Everpure EV9592-06 Comparable Food Service Replacement Filter by Tier1
  • ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

    ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

    $55.99
    MSRP: $79.99
    Save 30%
  • W9223021 Doulton Ceramic Water Filter

    W9223021 Doulton Ultracarb Ceramic Water Filter

    $50.05
    MSRP: $70.14
    Save 29%
  • HSH-C135 Culligan Handheld Filtered Shower Head with Massage
  • EV9611-00 Everpure 4H Replacement Filter Cartridge

    EV9611-00 Everpure 4H Replacement Filter Cartridge

    $50.69
    MSRP: $94.99
    Save 47%
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • HF8-S Cuno Whole House Filter Replacement Cartridge

    HF8-S Cuno Whole House Water Filter Cartridge

    $50.99
    MSRP: $62.09
    Save 18%
  • 1-40101-W Seychelle Family Water Pitcher
  • HM8-CM Sprite PureMist Filtered Shower Handle - Chrome
  • HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    $51.69
    MSRP: $66.99
    Save 23%
  • FM-5 Culligan Level 3 On-Tap Faucet Filter System
  • W9125030 Doulton Specialty Replacement Filter Cartridge

    W9125030 Doulton Fluoride Reducing Water Filter Cartridge

    $51.99
    MSRP: $59.96
    Save 13%
  • RC-5 Rainshow’r Replacement Water Filter

    RC-5 Rainshow’r Replacement Water Filter

    $51.99
    MSRP: $65.99
    Save 21%
  • CFS8720 Cuno Whole House Filter Replacement Cartridge

    CFS8720 Cuno Whole House Filter Replacement Cartridge

    $52.05
    MSRP: $61.97
    Save 16%
  • TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    $52.79
    MSRP: $114.99
    Save 54%
  • 4CB5 Everpure Replacement Filter Cartridge

    4CB5 Everpure Replacement Filter Cartridge

    $52.79
    MSRP: $83.99
    Save 37%
  • EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    $52.79
    MSRP: $83.99
    Save 37%
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99
    MSRP: $59.79
    Save 11%
  • FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set
  • CTW-10-WF Tier1 Countertop Water Filter System
  • 9602 Moen Replacement Filter Cartridge for ChoiceFlo Faucet Systems
  • Sprite HO2-BN High Output Universal Shower Filter (Brushed Nickel)
  • 3M Aqua-Pure AP111-2 Whole House Water Filter
  • 3M Aqua-Pure AP-C77 Undersink Filter Replacement Cartridge
  • W9223002 Doulton Replacement Ceramic Filter

    W9223002 Doulton Slimline Replacement Ceramic Filter

    $53.99
    MSRP: $60.87
    Save 11%
  • W9223026 Doulton Replacement Ceramic Filter
  • W9222901 Doulton Replacement Ceramic Filter

Items 1 to 48 of 103 total

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