Rain Bird CVD1010PKXS Drip Irrigation Dripper/Emitter with Built-In Check Valve, 1 GPH, 10-Pack. Unique spot watering dripper features a built-in check valve to prevent wasteful water drainage on slopes. This pressure-compensating emitter provides a 1 GPH flow rate. Ideal for watering root zones of gardens, landscape plants, shrubs and small bushes. Rain Bird's pressure-compensating design ensures all plants receive the desired watering rate regardless of their position along the distribution tubing run. Uniform flow is delivered throughout a wide pressure range from 15 to 50 psi. Self-piercing barb allows for direct insertion into the side of 1/2 in. or larger drip irrigation tubing, or in-line use with 1/4 in. tubing for positioning near individual plants. Constructed of highly durable UV and chemical-resistant materials to assure long life. Rain Bird The Intelligent Use of Water. Color: Blacks.