GERBER GS-325-PK PLUS PRESSURE BALANCE VALVE W/ WASHERLESS CARTRIDGE IPS/SWEAT W/ STOPS PAK Features - New in BOX - Washerless cartridge - Solid brass maintenance stops - IPS/Sweat or PEX-a connection - Back to back installation feasible - Rough Brass, IPS/Sweat w/ stops - Thin Wall Installation Bracket Included - Valve will perform at ASSE 1016 standards when flow rate is restricted to 2.0 gpm