

The Hydron BW-4040 Commercial Reverse Osmosis Membrane features a hard shell fiberglass exterior that provides outstanding commercial/industrial systems performance. This Hydron membrane provides a minimum rejection rate of 98.5% and is very popular for for car washes. These Hydron membranes deliver an attractive cost-to-benefit ratio and offer consistently high-quality performance.
This membrane makes an excellent replacement for standard 4″ x 40″ commercial reverse osmosis membrane housings. The Hydron BW-4040 2,400 GPD TFC Reverse Osmosis Membrane is the correct replacement for the following part numbers: