Cot PEHD Rainplus 125/88° Cot PEHD Rainplus 125/88° is a type of polyethylene (PE) pipe used in water and wastewater systems. It is designed to withstand high pressures, temperatures, and other tough conditions, making it a popular choice for many applications. The pipe has a 125mm outside diameter with a 88mm wall thickness, and is usually black in color. It is available in lengths up to 6 meters and is suitable for use in a variety of industries, including construction, industrial, agricultural, and municipal.