set2: 12 Set x New copper adjustable spray nozzle spray + 4 x Fast Coupling AdapterFor irrigation system, suitable for 8/11, 4/7 pipeOne way adapterEasy to use1. Material : Copper and Plastic/plastic2. Pressure is 1.5-3kg /Flow: 0.2-0.7 liters / minute3. Water jet diameter :1-4 meters. (As far as 4 meters can spray)4. /7 tubing (5mm inner diameter tubing) or adapter 9/12 tubing , Removable nozzle, easy to clean5. in line with greenhouse nursery, flower crops on the strict requirements of water mist 7. For gardening watering, balcony watering, greenhouse humidification cooling purposesColor: black + green/gold + blackSize: connector length is about 7.5cmsize:4 x 1cmPackage Contents:12 Set x New copper adjustable spray nozzle spray1 x Hole puncher4 x Fast Coupling AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.