KORAM 360 Degree Micro Sprayer and Dripper on Stake Irrigation Gardener's Greenhouse Plant Lawn Watering Drip Kit Accessories with 50ft 1/4" Blank Distribution Tubing Hose IR-I Water pressure: 29-58PSI for each 1/4" line. One line could support 20 PCS sprinkler, if just open the top outlet of the sprinkler. And only could suport 5-8 PCS if open both of the outlets. Dripper MAX water flow: 120L/H; Nozzle MAX water flow: 7L/H. When using the sprayer, you can manually turn off the dripper. If you dont want spray, close sprayer, then open dripper Dripper MAX Spray radius: 3m; Nozzle MAX Spray radius: 0.5m. Head weight: 4 grams; Total product weight: 18 grams The product is integrated adjustable spray nozzle and inserted 8 holes dripper; water flow can be adjusted to MAX or close.