Adjustable irrigation drip sprinkler drip irrigation system, automatic cleaning, start 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 Package Quantity: 200 Automatic cleaning, the starting water erosion flow channel, anti-clogging performance Able to Maintain constant when Long laying or pressure fluctuations, irrigation uniformity Material: Plastic Adjustable flow 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 Package Includes: 200 x Adjustable Irrigation Sprinkler Only the above package content, other products are not included. Note: Light reflection 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.