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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 49 to 96 of 143 total

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  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $43.85 Retail Price:  $52.73
  • 4373529 Whirlpool Undersink Filter Replacement Cartridge

    4373529 Whirlpool Undersink Filter Replacement Cartridge

    $43.99 Retail Price:  $50.59
  • WROR American Plumber Reverse Osmosis Replacement Filter Kit
  • C-CS-FF 3M Aqua-Pure Undersink Water Filter

    C-CS-FF 3M Aqua-Pure Undersink Water Filter Cartridge

    $43.99 Retail Price:  $48.06
  • 42646 Brita AquaView AVFR-200 Faucet Filter Replacement Cartridge (2-Pack)
  • 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    $43.99 Retail Price:  $52.89
  • CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge
  • CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    $43.99 Retail Price:  $52.89
  • EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge
  • DBC-10EX2 Pentek Replacement Filter Cartridge

    DBC-10EX2 Pentek Water Filter Cartridge Replacement

    $43.99 Retail Price:  $57.95
  • CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head
  • 01018468 Culligan Replacement Chrome Water Faucet
  • 42645 Brita AquaView AVFF-100 Faucet Filter System - White
  • TW30-1812-75 Filmtec Reverse Osmosis Membrane
  • 22010 Hydrologic BigBoy Replacement Sediment Filter

    22010 Hydrologic BigBoy Sediment Filter

    $44.99 Retail Price:  $57.49
  • FLOPLUS-10BB Pentek Replacement Filter Cartridge

    FLOPLUS-10BB Pentek Replacement Filter Cartridge

    $44.99 Retail Price:  $48.52
  • 33001071 Hydrotech TFC Reverse Osmosis Membrane

    33001071 Hydrotech TFC Reverse Osmosis Membrane

    $44.99 Retail Price:  $56.34
  • K00374 Manitowoc Arctic Pure Replacement Ice Maker Filter Cartridge

    K00374 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $44.99 Retail Price:  $59.79
  • R5 Instapure Complete Faucet Filter Replacement Cartridge (4-Pack)
  • RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  • CFS9720 Cuno Whole House Filter Replacement Cartridge

    CFS9720 Cuno Whole House Filter Replacement Cartridge

    Regular Price: $50.05

    Special Price: $45.05

  • 22006 Hydrologic BigBoy Replacement Carbon Filter - Green

    22006 Hydrologic BigBoy Carbon Filter (Green)

    Regular Price: $80.99

    Special Price: $45.05

  • MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • UDS-10EX1 Pentek Whole House Filter Replacement Cartridge
  • WS-20BB Pentek Whole House Filter Replacement Cartridge

    WS-20BB Pentek Whole House Filter Replacement Cartridge

    $45.99 Retail Price:  $52.08
  • CQ-1000-DS Rainshowr Shower Filter System with Whedon Designer Shower Head - Chrome
  • CQ-1000-MS Rainshowr Shower Filter System with Pro Massage - White
  • TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    $45.99 Retail Price:  $55.19
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • S1227RS Microline TFC Reverse Osmosis Membrane

    S1227RS Microline TFC Reverse Osmosis Membrane

    $45.99 Retail Price:  $71.29
  • 9601 Moen ChoiceFlo Faucet Filter Replacement Cartridge
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99 Retail Price:  $52.89
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • 22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000
  • RF-9999 PUR MineralClear Water Faucet Filter Refill (4-Pack)
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65 Retail Price:  $65.54
  • 35530 Brita UltraMax SMART OB24 144-Ounce Water Dispenser
  • HSH-C135 Culligan Handheld Filtered Shower Head with Massage
  • TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    $46.99 Retail Price:  $56.34
  • W9122021 Doulton SuperCarb Replacement Element
  • PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    $46.99 Retail Price:  $56.34
  • 150166 Pentek Whole House Filter System

    150166 Pentek Whole House Filter System

    $46.99 Retail Price:  $56.34

Items 49 to 96 of 143 total

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