Check the listing for details. DIG B222-100PC Pressure Compensating Dripper Green 2 GPH 100 Pack. Color: Green, Condition: New. Listed at 13.99 USD. DIG Pressure Compensating (PC) Drip Emitters are designed to produce a consistent flow rate over a pressure range of 10 psi. to 45 psi. The PC drip emitter maintain a consistent flow rate regardless of fluctuations in water pressure or differences in landscape elevation. DIG PC drip emitters offer a convenient way to water both new and existing landscapes, including difficult terrain such as slopes, oddly shaped areas and sites with high winds. The PC drip emitter with barbed inlet can easily be installed into 1/2 in. poly tubing or at the end of the micro tubing.Maintains constant flow of 2 GPH at 7.25 psi to 58 psiPack of 100, 2 GPH PC drip emitter with barbContain a diaphragm that continuously adjusts to varying water pressure to ensure a constant flow rate, even in challenging topographical conditionsIdeal use is for slopes, oddly shaped areas, sites with high winds and long runsConsistent flow enables a longer lateral over a wide range of pressuresCan be installed directly into poly tubing or micro tubingRaised nipple outlet prevents water runoff along the drip lateral2 GPH greenResistant to chemicals and fertilizers used in landscape applicationDrip emitter dimensions: 95 in. W x 1 in. HMade from durable, UV-resistant plastic material