Netafim™ Single Drip Stake Assemblies reduce set up time considerably, installing right where you need it. Dripper assembly uses a 0.3 or 0.5 GPH pressure-compensating emitter with CNL check vale, 18, 30, 36, or 48 inches (46, 76, 91, or 122 centimeters) of Super Flex Tubing, and an angled barbed stake. Minimum operating pressure is 10 psi.