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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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  • CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System
  • CQE-WC-00906 Crystal Quest Water Cooler

    CQE-WC-00906 Crystal Quest Water Cooler

    $599.99 Retail Price:  $692.29
  • CQE-WC-00907 Crystal Quest Water Cooler

    CQE-WC-00907 Crystal Quest Water Cooler

    $702.99 Retail Price:  $810.74
  • CFS02S Cuno Whole House Filter Housing

    CFS02S Cuno Whole House Water Filter Housing

    $184.49 Retail Price:  $214.46
  • CFS22 Cuno Whole House Filter Housing

    CFS22 Cuno Whole House Filter Housing

    $128.99 Retail Price:  $148.34
  • HF40-S Cuno Whole House Filter Replacement Cartridge

    HF40-S Cuno Whole House Filter Replacement Cartridge

    $105.99 Retail Price:  $123.04
  • HF45-S Cuno Whole House Filter Replacement Cartridge

    HF45-S Cuno Whole House Filter Replacement Cartridge

    $103.99 Retail Price:  $120.39
  • HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    $138.99 Retail Price:  $160.99
  • HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    $127.99 Retail Price:  $148.80
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    Regular Price: $133.99

    Special Price: $112.05

  • HF95 Cuno Whole House Filter Replacement Cartridge

    HF95 Cuno Whole House Water Filter Cartridge

    $197.99 Retail Price:  $229.99
  • HF95-S Cuno Whole House Water Filter Cartridge

    HF95-S Cuno Whole House Water Filter Cartridge

    $195.99 Retail Price:  $227.69
  • P-124B Cuno Whole House Filter Replacement Cartridge

    P-124B Cuno Whole House Water Filter Cartridge

    $105.99 Retail Price:  $128.79
  • AG2521TF Desal Commercial Reverse Osmosis Membrane

    AG2521TF Desal Commercial Reverse Osmosis Membrane

    $129.99 Retail Price:  $151.79
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99 Retail Price:  $226.54
  • AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    $232.99 Retail Price:  $270.24
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99 Retail Price:  $370.29
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99 Retail Price:  $381.79
  • PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    $999.99 Retail Price:  $1152.29
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99 Retail Price:  $519.79
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $104.99 Retail Price:  $118.30

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