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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.

Items 1 to 48 of 1790 total

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  • TO1SS OmniFilter Whole House Water Filter
  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • 67401 Aquamira Water Purifier Tablets (24-Pack)

    67401 Aquamira Water Purification Tablets (24-Pack)

    $12.95 Retail Price:  $17.19
  • W9125010 Doulton Specialty Replacement Filter Cartridge
  • W9222900 Doulton Ceramic Water Filter
  • W9222909 Doulton Imperial SuperCarb OBE Replacement Element
  • WS01-WH Filtrete Water Station Filtered Water Bottle Filling Station

    WS01-WH Filtrete Water Station Filtered Water Bottle Filling Station

    Regular Price: $46.99

    Special Price: $37.05

  • 55898C Halsey-Taylor Drinking Fountain Filter Replacement Cartridge

    55898C Halsey-Taylor Water Filter Cartridge Replacement

    $88.99 Retail Price:  $140.29
  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99 Retail Price:  $12.06
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99 Retail Price:  $13.79
  • HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  • HBSF-Orng Hydros Side-Fill Water Purifier Bottle - Orange Lid

    Orange Lid Hydros Side-Fill Water Purifier Bottle

    $27.99 Retail Price:  $34.49
  • WS-21 Water Sentinel Misting System Replacement Filter

    WS-21 Water Sentinel Misting System Filter

    Regular Price: $12.99

    Special Price: $12.05

  • HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid
  • F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • F2-WHITE Instapure Essentials Faucet Filter System - White
  • F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    $28.99 Retail Price:  $31.04
  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    $19.05 Retail Price:  $27.59
  • EVERPURE-EV9730-06

    EVERPURE-EV9730-06

    $71.24 Retail Price:  $128.79
  • SB-3 Squeezable Filtered Sport Bottle (27 oz.)

    SB-3 WaterWay Squeezable Filtered Sport Bottle (27 oz.)

    Regular Price: $10.99

    Special Price: $9.05

  • SB-2R Water Bottle Replacement Filters (2-Pack)

    SB-2R Water Bottle Replacement Filters (2-Pack)

    Regular Price: $7.99

    Special Price: $7.05

  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $7.99 Retail Price:  $13.55
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • AF-20-2015 Aries Comparable Sediment Water Filter by Tier1
  • AF-10-2210 Aries Comparable Sediment Water Filter by Tier1
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1

Items 1 to 48 of 1790 total

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