A special segment of production at Peštan are revision and drain manholes. Peštan manufactures manholes, with or without a settling tank, as an integral part of the collectors in gravity systems of wastewater, rainwater or mixed water. Standardly made of polypropylene. The product range of Peštan company has included drain manholes. These products are mainly intended for the collection of rainwater in the rainy sewage systems in individual household installations as well as in systems engineering (collecting rainwater from roads).