Rohl 9.03347 Perrin & Rowe Kitchen Flow Regulator For The Cold Inlet Of The U.1323 U.1347 And U.1307 Hot Water Dispenser Faucets 9/16" Female To Male Connection To 3/8" Cold Water Supply Compression Service Or Inlet Valve Flow Regulator Is 2.5 Lt/Mn Or Liters Per Minute Or .66 Gpm