Hydron BW-4040 Reverse Osmosis Membrane

Hydron BW-4040 Reverse Osmosis Membrane – 4" x 40", 2400 GPD

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High performance with 2,400 gallons per day flow. Delivers 99% salt rejection, removing dissolved solids, heavy metals, chemicals, and impurities for ultra-clean water.

Perfect for commercial, industrial, agricultural, whole house, and car wash systems. Fits standard 4x40 housings and replaces BW30-4040, FilmTec, Axeon, and other popular models.

NSF certified, energy-efficient, and built for reliability.