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  • Your filters are guaranteed to be the right fit!
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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 145 to 192 of 207 total

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  • WHKF-IMPLUS Whirlpool Inline Filter System
  • IOMQ Ice-O-Matic Replacement Ice Maker Pre-Filter Cartridge

    IOMQ Ice-O-Matic Ice Maker Pre-Filter Cartridge Replacement

    $109.99 Retail Price:  $110.39
  • F-201 InSinkErator Instant Hot Water Dispenser Filtration System
  • 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
  • F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    $30.99 Retail Price:  $33.34
  • R5-1PK Instapure Complete Faucet Filter Replacement Cartridge
  • R5-2PK Instapure Complete Faucet Filter Replacement Cartridge (2-Pack)
  • R7-1PK Instapure CompletePlus Faucet Filter Replacement Cartridge
  • R8-1PK-CHROME Instapure Ultra Faucet Filter Replacement Cartridge - Chrome
  • R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White
  • K-201 Kohler Undersink Replacement Filter Cartridge

    K-201 Kohler Undersink Water Filter Cartridge Replacement

    $96.99 Retail Price:  $132.60
  • K-202 Kohler Undersink Replacement Filter Cartridge

    K-202 Kohler Undersink Water Filter Cartridge

    $122.99 Retail Price:  $173.40
  • MATRIKX-CR1-10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-CR1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-Pb1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • CBF2-S-05 OmniFilter Undersink Filter System
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99 Retail Price:  $132.24
  • R1100 OmniFilter Quick Change Inline Refrigerator Filter
  • CBC-20 Pentek Replacement Filter Cartridge

    CBC-20 Pentek Replacement Filter Cartridge

    $25.99 Retail Price:  $35.64
  • CBC20-BB Pentek Replacement Filter Cartridge

    CBC20-BB Pentek Replacement Filter Cartridge

    $70.99 Retail Price:  $109.99
  • CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    $9.99 Retail Price:  $16.55
  • CBC-BB Pentek Whole House Filter Replacement Cartridge

    CBC-BB Pentek Whole House Filter Replacement Cartridge

    $42.99 Retail Price:  $44.26
  • CBR2-10 Pentek Undersink Filter Replacement Cartridge
  • CBR2-10R Pentek Undersink Filter Replacement Cartridge

    CBR2-10R Pentek Undersink Filter Replacement Cartridge

    $18.99 Retail Price:  $21.95
  • CBU-10 Pentek Whole House Filter Replacement Cartridge

    CBU-10 Pentek Whole House Filter Replacement Cartridge

    $19.99 Retail Price:  $21.95
  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $43.85 Retail Price:  $52.73
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99 Retail Price:  $34.55
  • W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    $70.99 Retail Price:  $82.65
  • W9123085 Doulton Imperial UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • W9222901 Doulton Replacement Ceramic Filter
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9121302 Doulton Imperial Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $147.05 Retail Price:  $174.79
  • W9121202 Doulton AquaCera Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $253.94 Retail Price:  $294.33
  • W9223021 Doulton Ceramic Water Filter

    W9223021 Doulton Ultracarb Ceramic Water Filter

    $50.05 Retail Price:  $70.14
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $110.99 Retail Price:  $131.09
  • W9361230 Doulton Gravity Water Filter

    W9361230 Doulton HCA Gravity Water Filter

    $58.05 Retail Price:  $136.00
  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99 Retail Price:  $209.29
  • CQE-RC-04005 Crystal Quest Ceramic Water Filter Cartridge
  • 3M AquaPure 3MFF100 Drinking Water Filter System
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $125.99 Retail Price:  $147.19
  • CBC-10BB-WF Tier1 Water Filter Cartridge

    CBC-BB Pentek Comparable Water Filter Cartridge by Tier1

    $39.99 Retail Price:  $43.69
  • CBC-20 Tier1 Water Filter Cartridge

    CBC-20 Tier1 Water Filter Cartridge

    Regular Price: $24.99

    Special Price: $20.05

Items 145 to 192 of 207 total

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