Senninger Low Flow Regulator-3/4". Pipe 3/4" Female Iron Pipe Thread by 3/4" Female Iron Pipe Thread. Designed to maintain a preset low pressure and to handle flow rates of .1 to 8 gpm (480 gph maximum capacity). Ideal for drip irrigation systems: for T-Tape use 10 psi; for Soaker tubing use 15 or 20 psi; for all emitters, microsprayers and dripperline use 20 or 25 psi. 10 psi regulator handles 1/2 to 5 gpm. Ship wt 1#.