
Membrane Housing with Membrane Installed
High-Pressure 21-Inch and 40-inch Membrane housing, 100% made in the USA, EPOXY resin, 5000 PSI BURST pressure, stainless rods, and DOUBLE O-ring Teflon coated corrosion resistant end-caps. This is the highest quality membrane housing you can buy. This price includes a pre-installed DOW filmtech membrane the will produce ~1 GPH per Inch.
What is the function of the 40-inch RO membrane?
The 40-inch membrane is the core of the reverse osmosis process, filtering out salt and contaminants from seawater to produce clean, drinkable freshwater.
Membrane with Housing - Frequently Asked Questions (FAQ)
How often should I replace the RO membrane?
With proper flushing and maintenance, membranes typically last 3–5 years. Life span depends on use frequency and water quality.


SEAWATER PRO
Marine-Grade

Fast Delivery

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