... .5m 4.Flow 2L/H;3L/H,4L/H,6L IRRIGATION PIPE WITH ROUND EMITTERS1. Diameter:12mm, 16mm 2. ISO standard3. ... drip pipe:Good aging , high corrosion resistance ,UV-resistant and more than 10 years lifetime; Made of PE, good flexibility ,flexible ... garden,orchard, and other irrigation conditions; Widely applied to the water conservancy and water power plants; Irrigation Pipe has UV-resistant performance, ...