Adjustable irrigation drip sprinkler drip irrigation system, automatic cleaning, water erosion runner, anti-clogging performance. With a 1/4-inch barb thread connection, it is Perfect for potted plants For 4mm / 7mm (inner / outer diameter) tube. Can remain unchanged or pressure fluctuations for a long time, water evenly Color: black and red Material: plastic Item : 200 Automatic cleaning, the starting water erosion channel, anti-clogging performance to Maintain constant when Long laying or pressure fluctuations, irrigation uniformity Material: Plastic Adjustable range: 1-70L/h Working pressure: 1-3KG Great for watering potted plants Has a 1/4-inch barb thread connection Suitable for 4mm/7mm(Inner/ Outer diameter) tube Includes: 200 x Adjustable Irrigation Sprinkler Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.