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

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Water Filtration Systems, Filters, & Parts

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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38 Item(s)

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  • Everpure EV9720-06 Comparable Food Service Replacement Filter by Tier1
  • EV9601-00 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9600-00 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9720-06 Everpure Comparable Food Service Replacement Filter by Tier1
  • ELF-1M Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-1ML Omnipure Comparable Food Service Replacement Filter by Tier1
  • AF-10-2011 Aries Specialty Cartridge 10-inch x 2.5-inch 1 LBS KDF/GAC
  • ELF-1M-P-KDF / EV9270-72 Comparable Water Filter Replacement Cartridge by Tier1
  • EV9270-72 Everpure Comparable Granular Activated Carbon Filter by Tier1
  • EV9270-71 Everpure Comparable Granular Activated Carbon Filter by Tier1
  • AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    $36.99
    MSRP: $56.39
    Save 34%
  • WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  • WFFM350XBN DuPont Deluxe Faucet Mount Drinking Water Filter - Brushed Nickel
  • ELF-XL-1ML-P-KDF Omnipure Comparable Food Service Replacement Filter by Tier1
  • Aries AF-10-2115 KDF/Granular Activated Carbon

    Aries AF-10-2115 KDF/Granular Activated Carbon

    $39.99
    MSRP: $49.00
    Save 18%
  • CQE-RC-04038 Crystal Quest Water Cooler GAC Filter Cartridge
  • DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    $31.89
    MSRP: $40.99
    Save 22%
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $31.99
    MSRP: $34.49
    Save 7%
  • D-250A Culligan Undersink Filter Replacement Cartridge Set

    D-250A Culligan Undersink Filter Replacement Cartridge Set

    $31.99
    MSRP: $46.99
    Save 32%
  • CFS117-S Cuno Whole House Filter Replacement Cartridge

    CFS117-S Cuno Whole House Filter Replacement Cartridge

    $32.05
    MSRP: $40.24
    Save 20%
  • 3M Aqua-Pure APS117 Whole House Water Filter Replacement Cartridge
  • ELF-5M-P Omnipure Carbon Filter with Scale Inhibitor (Everpure 4CB5-S Compatible)
  • WFFM350XCH DuPont Deluxe Faucet Mount Drinking Water Filter - Chrome
  • Dupont WFFM300XCH Low Profile Faucet Mount Drinking Water Filter System
  • WSRV-8 Water Sentinel Inline RV Water Filter

    WSRV-8 Water Sentinel Inline RV Water Filter

    $35.29
    MSRP: $45.99
    Save 23%
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99
    MSRP: $41.39
    Save 13%
  • SFM2 OmniFilter Undersink Water Filter System

    USM2-S-S06 OmniFilter Undersink Water Filtration System

    $35.99
    MSRP: $48.29
    Save 25%
  • CK5715-P Omnipure Water Filter Cartridge

    CK5715-P Omnipure Water Filter Cartridge

    $35.99
    MSRP: $43.69
    Save 18%
  • Dupont WFFM350XW Deluxe Faucet Mount Drinking Water Filter System
  • 8011555 Katadyn Exstream Ultralight Series Personal Water Purifier Virustat Microbial Purification Cartridge
  • 8014522 Katadyn Micro Ultralight Series 21-Ounce Personal Water Purifier Bottle - Blue
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-CTO2-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX 32-450-10-GREEN / CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • 4WH-HDGAC-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGAC-F01 3M Filtrete Water Filter Cartridge

    $32.99
    MSRP: $41.39
    Save 20%
  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • MATRIKX-Pb1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

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