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No Worries...
  • Your filters are guaranteed to be the right fit!
  • 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.

Items 1 to 48 of 94 total

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  • WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge
  • Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016
  • 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane
  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • DUPONT-WFQTC90001
  • DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  • DuPont WFFS150XCH Chrome Counter Top Faucet System

    DuPont WFFS150XCH Chrome Counter Top Faucet System

    $44.99 Retail Price:  $71.99
  • K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    $38.99 Retail Price:  $50.99
  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99 Retail Price:  $17.99
  • 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99 Retail Price:  $42.00
  • Desal TFM-18-C Reverse Osmosis Membrane

    Desal TFM-18-C Reverse Osmosis Membrane

    $30.99 Retail Price:  $38.99
  • Pentek WS-10 Water Softening Water Filter

    WS-10 Pentek Water Softening Filter

    As Low As $19.66 Per Filter

  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99 Retail Price:  $32.19
  • CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge
  • CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    $70.99 Retail Price:  $83.94
  • CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge
  • CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge
  • DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    $28.99 Retail Price:  $31.34
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    $37.94 Retail Price:  $47.91
  • W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    Regular Price: $101.99

    Special Price: $70.05

  • PCF1-10MB Pentek Whole House Filter Replacement Cartridge
  • TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane

    $75.99 Retail Price:  $82.79
  • W-1812-24 Watts Replacement Reverse Osmosis Membrane

    W-1812-24 Watts Reverse Osmosis Membrane Replacement

    $21.99 Retail Price:  $40.24
  • W-1812-36 Watts Replacement Reverse Osmosis Membrane

    W-1812-36 Watts Replacement Reverse Osmosis Membrane

    $28.99 Retail Price:  $42.54
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • F5-CHROME Instapure Complete Faucet Filter System - Chrome
  • F5-WHITE Instapure Complete Faucet Filter System - White

    F5-WHITE Instapure Complete Faucet Filter System - White

    $16.99 Retail Price:  $21.84
  • R5-1PK Instapure Complete Faucet Filter Replacement Cartridge
  • R5-2PK Instapure Complete Faucet Filter Replacement Cartridge (2-Pack)
  • 8013624 Katadyn Replacement Filter Element (2-Pack)

    8013624 Katadyn Replacement Filter Element (2-Pack)

    $14.95 Retail Price:  $19.49

Items 1 to 48 of 94 total

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