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When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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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  • WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge
  • 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
  • W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $199.97 Retail Price:  $232.27
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    Regular Price: $101.99

    Special Price: $70.05

  • 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)
  • 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
  • C-200 Rainshow’r Condor Drinking Water Filtration System

    C-200 Rainshow’r Condor Drinking Water Filtration System

    $199.99 Retail Price:  $232.29
  • RC-0.5 Rainshow’r Replacement Water Filter

    RC-0.5 Rainshow’r Replacement Water Filter

    $92.99 Retail Price:  $115.00
  • BT-300 Rainshow’r Breakthrough Drinking Water Filtration System
  • R5 Instapure Complete Faucet Filter Replacement Cartridge (4-Pack)

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