Flat Inline Drip Kit/400-16-4-40/1 Acre provided by us, is further developed and manufactured, optimizing all the technology of our thousands of high speed & composite pipe production line, absorbing the advanced technology of world class level equipment. It is the leader with the highest speed, fully automation, and outstanding stability. Flat Inline Drip Kit/400-16-4-40/1 Acre is produced with high-grade virgin polyethylene plastic granules.