Cot PEHD Rainplus 40/88° Rainplus PEHD 40/88° is a high-density polyethylene (HDPE) pipe made for use in cold water applications. This pipe is ideal for use in plumbing, irrigation, and drainage systems. It is made from a durable material that is resistant to corrosion, abrasion, and UV exposure. It is also designed with a high-pressure rating and is suitable for outdoor applications. The pipe is available in 40mm and 88mm diameter sizes and comes in 8 and 12 meter lengths.