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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.

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  • FRSS-1.5 Sterilight 1.5 GPM 1/2-inch Flow Restrictor
  • FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    $52.99 Retail Price:  $90.00
  • CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    Regular Price: $78.99

    Special Price: $62.05

  • CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    $57.99 Retail Price:  $60.94
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    Regular Price: $65.99

    Special Price: $50.05

  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $104.99 Retail Price:  $118.30
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $54.99 Retail Price:  $65.54
  • SS-IMF Everpure Replacement Filter Cartridge

    SS-IMF Everpure Replacement Filter Cartridge

    $55.99 Retail Price:  $66.69
  • BW1000A Flojet Bottled Water Dispensing System
  • UVS-110-1 Pentek UV System

    UVS-110-1 Pentek UV System

    $291.99 Retail Price:  $294.34
  • IF14C Ice-O-Matic Inline Water Filtration Cartridge

    IF14C Ice-O-Matic Inline Water Filter

    $89.99 Retail Price:  $97.74
  • IF18C Ice-O-Matic Inline Water Filtration Cartridge - 1

    IF18C Ice-O-Matic Inline Water Filter Cartridge

    $99.99 Retail Price:  $117.29
  • 1040 Katadyn Camping Water Filter Kit

    1040 Katadyn Camping Water Filter Kit

    $199.95 Retail Price:  $232.24
  • 8016389 Katadyn Camping Filter System

    8016389 Katadyn Camping Filter System

    $1,499.95 Retail Price:  $1727.24
  • 9001 Moen Faucet Filter Replacement Cartridge - 1

    9001 Moen Faucet Filter Cartridge

    $67.99 Retail Price:  $73.59
  • BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    $92.99 Retail Price:  $112.23
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • W9221000 Doulton Replacement Ceramic Filter

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