Introduction: Adjustable dripper-outlet hole in the top of the drop arrow,there are 8 water holes,Adjustable dripper, you can adjust the amout of water accroding needed.The drip hole will drop the water evenly and slowly into the crop.The Sprinkler Stakes about 13cm ,Watering 40-90 ml per minute,you also can close it,Because the drip can be adjusted, suitable for different plants water demand ,So that the crop absorbs the appropriate water, Water is not easy to evaporate,There is not weeds, not pests ,not blocked and not too much water lead to root broken in the soil surface. It can achieve the healthy growth of crops and water-saving irrigation technology. Features: -Adjustable Dripper-Outlet hole in the top of the drop arrow,there are 8 water holes; -Adjustable dripper, you can adjust the amout of water accroding needed. -The drip hole will drop the water evenly and slowly into the crop.The Sprinkler Stakes about 13cm ,Watering 40-90 ml per minute,you also can close it; -Because the drip can be adjusted, suitable for different plants water demand ,So that the crop absorbs the appropriate water, Water is not easy to evaporate,There is not weeds, not pests ,not blocked and not too much water lead to root broken in the soil surface. It can achieve the healthy growth of crops and water-saving irrigation technology; Specification: Material: Plastic and rubber; Size:10m Hose /12pcs Dripper ,15m Hose /18pcs Dripper ,20m Hose/25pcs Dripper ,25m Hose /30pcs Dripper; Type: Type         Type A Type B  Type C Type D; Package Included 1 x 10m PE Hose; 2 x Faucet  Connectors; 1 x Tape; 12 x Adjustable Drippers; 11 x Tee Couplings  1 x 15m PE Hose; 2 x Faucet Connectors; 1  x Tape; 18 x Adjustable Drippers; 17 x Tee Couplings 1 x 20m PE Hose; 2 x Faucet Connectors; 1 x Tape; 25 x Adjustable Drippers; 24 x Tee Couplings 1 x 25m PE Hose; 2 x Faucet Connectors; 1 x Tape; 30 x Adjustable Drippers; 29 x Tee Couplings. Package Included (Optional): 1 x4/7 10m/15m/20m/25m PE Hose; 2 x Faucet Connector Accessories; 1 x Tape; 12/18/25/30xAdjustable Dripper; 11/17/24/29xTee Coupling