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 64 total

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  • HYDROLOGIC-36005

    HYDROLOGIC-36005

    $101.99
    MSRP: $119.59
    Save 15%
  • 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    $153.99
    MSRP: $183.95
    Save 16%
  • EP-20BB Pentek Replacement Water Filter
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • FMHC-90-5EZ Flow-Max Jumbo 90 Pleated Water Filter Cartridge - 5 Micron
  • HAC-BB-20-W Harmsco Replacement Filter Cartridge

    HAC-BB-20-W Harmsco Replacement Filter Cartridge

    $70.99
    MSRP: $87.99
    Save 19%
  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP815 Whole House Water Filter
  • 3M Aqua-Pure AP815-2 Whole House Water Filter
  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    $2,499.99
    MSRP: $2,877.29
    Save 13%
  • CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    $77.00
    MSRP: $103.99
    Save 26%
  • CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge
  • SWC1350 Cuno Whole House Filter Replacement Cartridge

    SWC1350 Cuno Whole House Water Filter Cartridge

    $67.99
    MSRP: $81.64
    Save 17%
  • 7CB5 Everpure Replacement Filter Cartridge

    7CB5 Everpure Replacement Filter Cartridge

    $66.49
    MSRP: $115.99
    Save 43%
  • 7CB5-S Everpure Replacement Filter Cartridge

    7CB5-S Everpure Replacement Filter Cartridge

    $75.99
    MSRP: $86.24
    Save 12%
  • EV4339-12 Everpure Claris L Replacement Hot Water Filter Cartridge

    EV4339-12 Everpure Claris L Hot Water Filter Cartridge

    $195.99
    MSRP: $205.84
    Save 5%
  • EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    $69.99
    MSRP: $93.99
    Save 26%
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $69.00
    MSRP: $81.65
    Save 15%
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99
    MSRP: $692.29
    Save 13%
  • HC40-5 Harmsco Replacement Filter Cartridge

    HC40-5 Harmsco Replacement Filter Cartridge

    $92.99
    MSRP: $95.34
    Save 2%
  • K00174 Manitowoc Tri-Liminator Replacement Ice Maker Filter Cartridge
  • TIER1-RC540T50-T

    TIER1-RC540T50-T

  • AR-PRE Manitowoc Arctic Pure Ice Machine Pre-Filter Assembly

    AR-PRE Manitowoc Arctic Pure Ice Machine Pre-Filter Assembly

    $179.99
    MSRP: $209.29
    Save 14%
  • K00337 Manitowoc Arctic Pure Replacement Ice Maker Pre-Filter Cartridge
  • UVBB-3 PURA UV Disinfection System

    UVBB-3 PURA UV Disinfection System

    $666.49
    MSRP: $877.99
    Save 24%
  • SC200-DWS10 Sterilight Cobalt Drinking Water Filtration System

    SC200-DWS10 Drinking Water Filtration System by Viqua

    $610.05
    MSRP: $1,152.30
    Save 47%
  • NM12-CK10F Tier1 Backwashing Filter
  • BT-100 Rainshow’r Breakthrough Drinking Water Filtration System
  • TIER1_P5_30_20_PACK
  • TIER1_P5_40_20_PACK
  • 31052 Hydrologic Triton DI200 GPD Water Filtration System
  • VIQUA-VH200-F10

    VIQUA-VH200-F10

    $599.00
    MSRP: $815.00
    Save 27%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (50-Pack)
  • ECP5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1 (50-Pack)
  • PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  • 5EZ-50 Valueline Reverse Osmosis Filter System

    5EZ-50 Valueline Reverse Osmosis Filter System

    $179.99
    MSRP: $186.29
    Save 3%
  • WATER-FACTORY-SYSTEMS-SQC-3

    WATER-FACTORY-SYSTEMS-SQC-3

    $389.99
    MSRP: $450.79
    Save 13%
  • 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $299.99
    MSRP: $335.79
    Save 11%
  • RFFE20-BB Pentek Iron Reducing Water Filter Cartridge (20 in x 4.5 in)
  • 3M Aqua-Pure AP917HD Whole House Water Filter Cartridge

    AP917HD 3M Aqua-Pure Whole House Water Filter Replacement

    $148.99
    MSRP: $173.64
    Save 14%
  • 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    $103.99
    MSRP: $137.99
    Save 25%

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