PE Elbow for Sprinkler Irrigation Systems For other dimensions, please request information. This product is made of polyethylene material made for high-density special pipe with increased resistance to sun rays (UV1) with special additives manufactured in accordance with TS 418 standards. • Uneven agricultural areas can be irrigated without leveling. Erosion due to flood irrigation is prevented. • In sandy soils with a high water intake rate and low water holding capacity, irrigation