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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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  • RO5 Tier1 5-Stage Reverse Osmosis System

    RO5 Tier1 5-Stage Reverse Osmosis System

    $190.59 Retail Price:  $249.99
  • Pentair HEPP10-40DB Pureflex High Efficiency

    Pentair HEPP10-40DB Pureflex High Efficiency

    $93.99 Retail Price:  $113.99
  • Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    $107.99 Retail Price:  $130.99
  • Pentair NEPP12-20DB Pureflex Pleated Polypropylene Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge 6-Pack
  • SPC-45-2020 Hydronix 20 x 4.5 inch Pleated Sediment Water Filter 6pk
  • 1-140STSS-F Rusco Sediment Trapper System

    1-140STSS-F Rusco Sediment Trapper System

    $90.99 Retail Price:  $106.94
  • 100STSS-F Rusco Sediment Trapper System

    34-100STSS-F Rusco Sediment Trapper System

    $87.99 Retail Price:  $103.49
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $110.99 Retail Price:  $131.09
  • US-UF3 Culligan Ultrafiltration Drinking Water System
  • US-UF3R Culligan Ultrafiltration Replacement Water Filter Cartridge Set
  • H2O+ Brondell Cypress Countertop Water Filtration System (#H630)
  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99 Retail Price:  $209.29
  • CQE-CT-00132 Crystal Quest Countertop Fluoride Water Filter: Double Fluoride PLUS
  • 200524 Axeon 4021 PVC Membrane Housing

    200524 Axeon 4021 PVC Membrane Housing

    $154.99 Retail Price:  $190.99
  • BW2000A Flojet Bottled Water Dispensing System

    BW2000A Flojet Bottled Water Dispensing System

    $189.99 Retail Price:  $225.99

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