EcoWater Compatible RO Replacement Membranes

EcoWater Compatible RO Reverse Osmosis Replacement Membranes

  1. Ecowater Compatible Pre-Filter-1000
    EcoWater Compatible Carbon Pre Filter for ERO-292, ERO-392, ERO-494

    EcoWater Compatible Carbon Prefilter for ERO-292, ERO-392, ERO-494- Ref# 7148964 Prefilter allows membrane to sit inside of filter cartridge. Ref. # 7148964 

    DISCONTINUED AND NO LONGER AVAILABLE - If you are using a reverse osmosis system that uses this filter it is time to replace your RO system.  You may keep your current faucet and supply line connections by replaceing only the filter system and tank.  Faucets can be deleted from many of our RO systems.

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    $34.99

Easy TDS Membrane Performance 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.