Spectrum PRO-4040 Low Pressure Reverse Osmosis Membrane (4" x 40")

The Spectrum PRO-4040 delivers outstanding filtration performance as a dependable substitute for Axeon HF4-4040 and HF5-4040 membranes. Engineered to operate efficiently at minimal pressure, from just 5.5 bar onwards, this membrane achieves a 99.2% rejection rate whilst maintaining excellent permeate flow.

Ideal for water sources with dissolved solids below 500 mg/l, it reaches peak performance at 6.9 bar (100 PSI), allowing you to increase system output without requiring infrastructure modifications. A precision engineered solution that combines reliability with operational efficiency for professional water treatment applications.