/ 0.012 inches (0.3 mm) orifice, easily screw into any 10/ 24 UNC threaded mist nozzle opening BEST CHOICE FOR OUTDOOR WITH COULD WATER: Widely apply for landscaping, outdoor cooling system, greenhouse, humidification, spraying disinfectant, epidemic prevention, deodorant purification, small , etc Operation Pressure: 20-70kg/cm; Rate: 80-145ml/Min Water : 1/2 Gallon of water per hour per nozzle Leak-proof, -sealing o-ring included with each nozzle, easy to install Colour: color Material: Size:1*0.5cm Package Contents: 20 * Sprinkler Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.