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 Filters & Systems

Reverse Osmosis: a water purification technology that utilizes a semi-permeable membrane to remove microscopic particles (typically anything larger than 0.001 microns in size) from drinking water.

Select what type of reverse osmosis filter part you’re searching for (system, filter, etc.) and browse or search through hundreds of our reverse osmosis water filters, systems, membranes, and other water filter parts. Choose from some of the industry’s top reverse osmosis brands including, Watts®, Hydrologic, Hydrotech, and Water Factory Systems.

Not sure if investing in a reverse osmosis water filter is what you want, then check out our thousands of other popular water filters, including whole house, under sink, faucet filters, and many more.

Clear All
Compare

11 Item(s)

Grid  List 

Set Descending Direction
  1. AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 2.5-inch x 40-inch membranes Learn More
    $219.99 MSRP:  $226.54
  2. RO-3500 Pentek Reverse Osmosis Filter System
  3. ROQC-450 Tier1 4-Stage Quick Change Reverse Osmosis Water Filter System
  4. RO-PL5000 PuROLine Reverse Osmosis Filter System
  5. PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  6. PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  7. 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  8. 4VTFC50G Hydrotech Reverse Osmosis Filter System
  9. 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System
  10. 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System
  11. 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System

    31040 Hydrologic Stealth-RO300 Reverse Osmosis Water Filtration System

    Comes complete with easy installation kit Learn More
    $227.09 MSRP:  $329.99

11 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top