Rain Bird XB-20PC 2.0 GPH Xeri-Bug Thread/Barb Point Source Emitter, Red - 25 Pack XB-20PC (Red) Barb inlet; 2.0 GPH (7,57 l/h) Pressure-compensating design delivers uniform flow throughout a wide pressure range (15 to 50 psi; 1,0 to 3,5 bars) Available with self-piercing inlet barb to permit one-step emitter insertion into 1/2" or 3/4" drip tubing when installed with the XM-Tool Inlet and outlet barb securely retains 1/4" distribution tubing (DT-025 or PT-025) Use Xeri-Bugs (barb or 10-32 models) with the Xeri-Bird 8 multioutlet device Available with 1/2" (15/21) FPT inlet th