compatible with all dual volume control trim sets; forged brass construction; flow rate: single 10 gpm or combined 14.3 gpm at 60 psi; integral service stops and check valves; 1/4 turn ceramic disc volume control cartridge; thermoplastic polymer cartridge limits limescale buildup; 1/2'' FIP - 2 inlet; 1/2'' MIP or 1/2'' nominal sweat - 2 outlet