The P-Series family of polyethersulfone ultrafiltration membrane elements are characterized by a molecular weight cut-off of 10,000 and greater than 96% rejection of Cytochrome-C (13,300 MW protein).

GE PW Ultrafiltration Elements are used for pretreatment of process water and post-treatment of ultrapure water.

GE Osmonics Desal PW2540F1080 Ultrafiltration elements feature a FRP outer wrap and 28 mil feed spacers and is designed with flush end connections.