Cot PEHD Rainplus 56/45° Cot PEHD Rainplus 56/45° is a polyethylene high-density (PEHD) rainwater drainage pipe made by Cot PEHD, a leading manufacturer in the field. It is designed for use in residential and commercial settings, and is suitable for underground installation. It is made of a high-density polyethylene material and has an internal diameter of 56 mm and a wall thickness of 45 mm. It is designed to be lightweight yet tough and durable, and can withstand extreme weather conditions. The pipe is designed for maximum water flow, and has a smooth interior to reduce clogging. It is also UV-resistant, so it won’t be damaged by the sun’s rays.