【Adjustable Speed Design】Drip irrigation bottle with control valve can control the dripping speed. Because different plants have different absorption rates, you can adjust the traffic according to the time needed to 3 to 21 days, or more, and can prevent over-watering and make plants healthier, very good for scientific planting. 【Enjoy your vacation】A healthier plant can enjoy the family vacation, give me your plants and water the plants and vegetables to make your plants thrive. 【Applicable to most bottles】Drip irrigation bottle plant are suitable for many bottles. There is no need to install it. Just open a hole at the bottom of the bottle, tighten the dripping device, and then insert them into the soil. Drill a small hole at the bottom of the bottle for exhaust, and then open the control valve. 【Three-color】 orange, blue and green. It is made of the preferred environmental protection PP plastic. It is 16.5 cm long and 5.5 cm wide. drip irrigation system bottle adopts the plug-in