Our practical Replacement Back Pressure Regulator (BPR) Cartridge (P-762) operates as an easy to use, replaceable component for our BPR systems. It is constructed from PEEK, Tefzel (EFTE), PCTFE and has a gold plated stainless steel spring delivering reliable usage. It can conveniently be used with any of our standard BRP Holders and creates a back pressure of 75 psi (5.2 bar). It has a tan body and yellow end cap.