Discount Water Filters and Air Filters at Discount Filter Store.com

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!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Reverse Osmosis Filtration Systems

Get bottled quality water from the convenience of your own faucet with a reverse osmosis water filter.

Similar to other household water filters, reverse osmosis water filters are designed to remove a wide range of contaminants you’re your drinking water. However, unlike some traditional water filters, reverse osmosis water filters are able to remove dissolved solids, and they are the only water filter certified to remove arsenic.

Whether you’re looking for a commercial reverse osmosis water filter or simply one that fits under your kitchen sink, we’ve got a system for you. Below you’ll find over 25+ different reverse osmosis water filters to fit your commercial or household water filter needs.

31 Item(s)

Grid  List 

Set Descending Direction
  • CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    $2,499.99
    MSRP: $2,877.29
    Save 13%
  • LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System
  • WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System
  • 31035 Hydrologic Stealth-RO100 Reverse Osmosis Filtration System
  • AP-RO5500 3M Aqua-Pure Reverse Osmosis System

    AP-RO5500 3M Aqua-Pure Reverse Osmosis System

    $499.99
    MSRP: $805.99
    Save 38%
  • RO5 Tier1 5-Stage Reverse Osmosis System

    5-Stage Reverse Osmosis System by Tier1

    $159.99
    MSRP: $249.99
    Save 36%
  • 200553 Axeon Membrane Housing

    200553 Axeon Membrane Housing

    $265.99
    MSRP: $308.19
    Save 14%
  • 200025 Flexeon LT-300 Commercial RO System
  • 200519 Axeon 2521 PVC Membrane Housing

    200519 Axeon 2521 PVC Membrane Housing

    $92.99
    MSRP: $115.00
    Save 19%
  • 200524 Axeon 4021 PVC Membrane Housing

    200524 Axeon 4021 PVC Membrane Housing

    $154.99
    MSRP: $190.99
    Save 19%
  • 200369 Axeon HR3-2521 Commercial Reverse Osmosis Membrane

    200369 Axeon HR3-2521 Commercial Reverse Osmosis Membrane

    $102.99
    MSRP: $125.99
    Save 18%
  • DuPont WFRO60X Quick Twist Reverse Osmosis System
  • 200520 Axeon 2540 PVC Membrane Housing

    200520 Axeon 2540 PVC Membrane Housing

    $98.99
    MSRP: $122.99
    Save 20%
  • 200521 Axeon 4014 PVC Membrane Housing

    200521 Axeon 4014 PVC Membrane Housing

    $139.99
    MSRP: $173.99
    Save 20%
  • 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  • 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $299.99
    MSRP: $335.79
    Save 11%
  • 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System

    4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System

    $279.99
    MSRP: $324.29
    Save 14%
  • CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    $5,099.99
    MSRP: $5,867.29
    Save 13%
  • CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System
  • RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  • RO-3500 Pentek Reverse Osmosis Filter System

    RO-3500 Pentek Reverse Osmosis Filter System

    $266.39
    MSRP: $406.99
    Save 35%
  • RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $235.39
    MSRP: $318.99
    Save 26%
  • PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  • PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • 5EZ-50 Valueline Reverse Osmosis Filter System

    5EZ-50 Valueline Reverse Osmosis Filter System

    $179.99
    MSRP: $186.29
    Save 3%
  • SQC-3 Water Factory Systems Reverse Osmosis Filter System

    SQC-3 Water Factory Systems Reverse Osmosis Filter System

    $389.99
    MSRP: $450.79
    Save 13%
  • SQC-4 Water Factory Systems Reverse Osmosis Filter System

    SQC-4 Water Factory Systems Reverse Osmosis Filter System

    $399.05
    MSRP: $480.69
    Save 17%
  • 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $285.99
    MSRP: $324.29
    Save 12%
  • 4VTFC50G Hydrotech Reverse Osmosis Filter System

    4VTFC50G Hydrotech Reverse Osmosis Filter System

    $267.99
    MSRP: $289.79
    Save 8%
  • Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    $395.89
    MSRP: $542.99
    Save 27%

31 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top