WATERRO END CAP FOR MEMBRANE HOUSING 4040-FRP THREAD (300 PSI) The WATERRO end cap for 4040-FRP THREAD (300 PSI) membrane housings is a replacement end component designed for 4" × 40" FRP reverse osmosis membrane housings. It ensures a secure seal and reliable system operation. The end cap is compatible with 4040 FRP THREAD membrane housings designed to operate at up to 300 PSI (20.7 Bar). Technical specification Parameter Value Product End cap for RO membrane housing Compatible housing 4040-FRP THREAD Compatible membrane size 4040 (4" × 40") Maximum operating pressure 300 PSI (20.7 Bar) Housing type FRP threaded Material Engineering plastic Application Commercial and industrial RO systems Function Membrane housing end seal Brand WATERRO Key benefits Original replacement part Designed for 4040 FRP THREAD housings Operating pressure up to 300 PSI Secure, leak-tight seal Compatible with O-ring seal Easy replacement Suitable for commercial and industrial RO systems