The AXEON XE1-2540 Reverse Osmosis Membranes are one of the industries most reliable and highest performing reverse osmosis elements. The XE1-2540 RO membrane offers exceptional performance and extra energy savings by operating at a lower applied pressure of 100 psi and providing a nominal rejection rate of 99.2%. AXEON XE1 Series membranes are fiberglass wrapped and manufactured in a state-of-the-art ISO-9001 compliant automated facility providing consistent qualtiy.