EcoWater Compatible RO Replacement Membranes

EcoWater Compatible RO Reverse Osmosis Replacement Membranes

  1. EcoWater ® Compatible CTA-ERO-200 RO Reverse Osmosis Membrane
    EcoWater ® Compatible CTA-ERO-200 RO Reverse Osmosis Membrane
    EcoWater ® Compatible CTA-ERO-200 RO Membrane - CTA 10 Gallon Per Day RO Membrane. For # ERO-200 (CTA-RS12-10 Compatible) Learn More
    $89.99 Special Price $59.99 As low as $44.99
  2. EcoWater - Compatible ERO-300 TFC RO Reverse Osmosis Membrane - 1000
    EcoWater ® Compatible ERO-300 TFC RO Reverse Osmosis Membrane 7098169
    EcoWater ® Compatible ERO-300 TFC Reverse Osmosis RO Membrane - TFC 12 Gallon Per Day Membrane. For # ERO-300 7098169 (TFC-RS12-10 Compatible) 70996086 T112-10 Learn More
    $87.99 Special Price $69.99 As low as $49.99
  3. Eco-Water Compatible RO Reverse Osmosis Membrane- 1000
    EcoWater ® Compatible ERO-392 TFC RO Reverse Osmosis Membrane
    EcoWater ® Compatible ERO-392 TFC Reverse Osmosis RO Membrane - TFC-ET-213-16 - TFC 12 Gallon Per Day Membrane. Membrane sits inside of filter cartridge. For # ERO-392 Learn More
    $89.99 Special Price $69.99 As low as $49.99
  4. Ecowater Compatible Pre-Filter-1000
    EcoWater ® Compatible ERO-392 Water Prefilter
    EcoWater ® Compatible ERO-392 Water Prefilter - Ref# 7148964 Prefilter allows membrane to sit inside of filter cartridge. Ref. # 7148964 Learn More
    $44.99 Special Price $32.99 As low as $30.99

Easy TDS Membrane Performence Calculator
See If It is Time To Replace Your Membrane

Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.

See our selection of TDS meters under Water Tests


Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.

* EcoWater ® is the registered trademark of EcoWater , the manufacturer of EcoWater ® brand water treatment equipment.  The replacement filters and membranes listed above are not manufactured or endorsed by EcoWater .  Rather, these filters and membranes are manufactured by other companies.  While these filters and membranes are compatible for use in EcoWater ® brand water treatment equipment, we make no representation as to whether using these filters and membranes is consistent with the warranty and specifications applicable to EcoWater ® equipment.