It is the duct system that is made mandatory especially in shopping malls and used in cafes and restaurants kitchen hoods. It is a type of air duct manufactured with welded joints in thicknesses between 1 mm and 2 mm, which can show resistance in case of chimney fire.

Our dkp sheet air ducts, which we can manufacture as angular and round, can be produced in the desired size with the quality of Pirsan Ventilation Systems.