Mini Skater 12 Set Copper Adjustable Spray Nozzle Spray Atomization Copper Capillary Effect take 47 Factory Adjustable Irrigation Drippers Sprinklers Emitter Drip System on 1/4" Barb 1. Material : Copper and Plastic 2. Pressure is 1.5-3kg /Flow: 0.2-0.7 liters / minute 3. Water jet diameter :1-4 meters. (As far as 4 meters can spray) 4. Connect 4/7 tubing (5mm inner diameter tubing) or adapter 9/12 tubing , Removable nozzle, easy to clean 5. in line with greenhouse nursery, flower crops on the strict requirements of water mist 7. For gardening watering, balcony watering, greenhouse humidification cooling purposes