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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.

19 Item(s)

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  • W9222909 Doulton Imperial SuperCarb OBE Replacement Element
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    $13.99 Retail Price:  $19.99
  • Pentek EP-10 Replacement Water Filter Cartridge

    EP-10 Pentek Replacement Filter Cartridge

    As Low As $7.80 Per Filter

  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99 Retail Price:  $17.12
  • RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    Regular Price: $65.99

    Special Price: $50.05

  • W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65 Retail Price:  $65.54
  • CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    $73.99 Retail Price:  $88.54
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99 Retail Price:  $34.55
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $147.05 Retail Price:  $174.79
  • CB-25-2001 Hydronix Carbon Water Filter Replacement

    CB-25-2001 Hydronix Carbon Water Filter Replacement

    Regular Price: $17.99

    Special Price: $16.05

  • Body Glove Countertop Water Filtration System (#BODY-GLOVE-WI-BG-COUNTERTOP)
  • WI-BG-COUNTERTOP-FILTER Body Glove Replacement Countertop Water Filter

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