Rain Bird MANIF21PK Drip Irrigation 6-Port Manifold, 2 Gallon Per Hour Flow Rate Per Port Connects up to six 1/4" Drip irrigation tubes to a 1/2" riser Operates at pressures from 15 to 50 PSI Regulated flow rate of 2.0 gallon per hour per outlet Barbed outlets accepts all brands of 1/4" Drip irrigation tubing 1/2" female pipe thread (FPT) inlet threads onto a 1/2 male pipe threaded (MPT) riser Use to convert an existing underground sprinkler to Drip using Rain Bird RCKIT-1PS (sold separately)