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 1 to 48 of 208 total

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  • SWC-45-2005 Hydronix String-Wound Sediment Water Filter
  • 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%
  • TIER1-GAC-20BB Replacement Granular Activated Carbon Filter by Tier1
  • WFDW120009W DuPont Universal Drinking Water Filter System
  • WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFPF13003B DuPont Universal Whole House Filtration System
  • WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System
  • Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016
  • OB1-S-S06 OmniFilter Undersink Water Filter System
  • AF-10-2011 Aries Specialty Cartridge 10-inch x 2.5-inch 1 LBS KDF/GAC
  • K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    $39.59
    MSRP: $53.99
    Save 27%
  • Garnet-812 Watts Water Treatment Media #8-12

    Garnet-812 Watts Water Treatment Media #8-12

    $31.99
    MSRP: $40.99
    Save 22%
  • Aries AF-10-2115 KDF/Granular Activated Carbon

    Aries AF-10-2115 KDF/Granular Activated Carbon

    $39.99
    MSRP: $49.00
    Save 18%
  • NCP-20BB Pentek Whole House Filter Replacement

    NCP-20BB Pentek Whole House Filter Replacement Cartridge

    $34.99 MSRP: $48.81
    Save 28%
  • NCP-BB Pentek Whole House Water Filter

    NCP-BB Pentek Whole House Filter Replacement Cartridge

    $32.99 MSRP: $36.34
    Save 9%
  • Everpure EV9720-06 Comparable Food Service Replacement Filter by Tier1
  • Everpure EV9617-36 Comparable Food Service Replacement Filter by Tier1
  • FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1
  • FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1
  • Everpure H-300 comparable granular activated carbon filter by Tier1
  • WRC25HD20 American Plumber Comparable Granular Activated Carbon Filter by Tier1
  • GAC20-BB Pentek Comparable Granular Activated Carbon Filter by Tier1
  • AP817-2 Aquapure Comparable Granular Activated Carbon Filter by Tier1
  • RFC20-BB Pentek Comparable Granular Activated Carbon Filter by Tier1
  • FXB20RFL Filtrex Comparable Granular Activated Carbon Filter by Tier1
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    $36.99 MSRP: $48.99
    Save 24%
  • 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
  • EV9617-36 Everpure Comparable Food Service Replacement Filter by Tier1
  • EV9270-72 Everpure Comparable Granular Activated Carbon Filter by Tier1
  • EV9270-71 Everpure Comparable Granular Activated Carbon Filter by Tier1
  • ELF-1M Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-1ML Omnipure Comparable Food Service Replacement Filter by Tier1
  • ELF-5M-KDF-P Omnupure Comparable Food Service Replacement Filter by Tier1
  • ELF-1M-P-KDF Omnipure comparable granular activated carbon filter by Tier1
  • Hydrotech 92192 Chrome Long Reach Faucet

    Hydrotech 92192 Chrome Air-Gap Long Reach Faucet

    $33.39
    MSRP: $43.99
    Save 24%
  • 265062 American Hydro Systems Inline Filter for Siphoning Feeder Systems

    265062 American Hydro Systems Siphoning Feeder Filter

    $34.21
    MSRP: $41.64
    Save 18%
  • 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    $31.99
    MSRP: $35.06
    Save 9%
  • WGCHD American Plumber Undersink Water Filter Replacement Cartridge
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    $30.99
    MSRP: $49.56
    Save 37%
  • 3M Aqua-Pure AP810 Whole House Water Filter Cartridge

    3M Aqua-Pure AP810 Whole House Filter Replacement Cartridge

    $33.99
    MSRP: $46.64
    Save 27%
  • 3M Aqua-Pure AP811 Whole House Water Filter Cartridge

    AP811 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $43.69
    Save 15%
  • 3M Aqua-Pure AP814 Whole House Water Filter

Items 1 to 48 of 208 total

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