Check the listing for details. Rain Bird - SW20-30PS Drip Irrigation Spot Watering Dripper/Emitter - 2 Gallon. Color: Red, Condition: New. Listed at 19.77 USD. Rain Bird SW20-30PS Drip Irrigation Spot Watering Dripper/Emitter, 2 Gallon - USPS Shipping - First Class Shipping Fast Shipping 📦5 ⭐ Service Xeri-Bug EmittersThis product includes one Xeri-Bug Emitter (this is not a pack)Rain Bird XB Button Drip Emitter (XB-20PC)Flow Rate: 2 GPHDrip Irrigation Size: 1/4 inchFeatures & BenefitsPoint Source Emission DevicesIdeal for watering the root zones of plants; trees; and container plants. Xeri-Bugs emit water at rates of 0.5; 1.0 and 2.0 gallons-per-hour (GPH) which allows soils to absorb water more completely into the root zones of plants. Xeri-Bugs are an ideal choice for those wishing to to conserve water or eliminate excessive run-off.Flow Rate: 2 GPHPressure-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).Available with 10-32 threaded inlet that easily threads into a polyflex riser (see page 245).Use Xeri-Bugs (barb or 10-32 models) with the Xeri-Bird 8 multioutlet device (see page 240).Available with 1/2" (15/21) FPT inlet that easily threads onto a 1/2" PVC riser.Self-flushing action minimizes clogging.Made from highly inert materials that are resistant to chemicals.Durable plastic construction is UV-resistant.Color-code inlet identifies flow rate.Operating RangeFlow: 0.5 to 2.0 GPH (1;89 to 7;57 l/h)Pressure: 15 to 50 psi (1;0 to 3;5 bars)Filtration: 150 to 200 mesh (75 to 100 micron)