Description Knee 16 drip irrigation is produced 90 degrees from polyethylene raw materials and by injection method with plastic injection machine. It is used to change the direction of the 16 mm polyethylene pipe. Knee 16 Irrigation is a very light, durable, sunscreen drip irrigation, very quick and easy to install without the use of tools. Drip irrigation fittings are designed and built in such a way that they can be implemented with the least time, with the least tools and with the least expertise. Knee 16 Drip Irrigation is one of the most widely used drip irrigation connections and is used for drip irrigation of gardens and greenhouses. For more information, call 09339765265 Call 09123261608.