The siphon product, or in the term "Gulshtari Bazaar", is used at the beginning of the sewage entry path in the building's waste disposal system. This product is used to prevent animals and insects from entering the building and also to prevent the smell of sewage from entering the building.
This product is used to redirect the flow of fluids and wastewater, and is also applied to adjust the angle of the sewage system according to the design of the building’s mechanical installations. Additionally, it is used to create branch connections within the piping system.