Pressed ventilation saddle (tee saddle) is used as an element for ventilation T-pieces production. Pressed saddle is also used as a way to branch a circular spiral duct, semi-rigid ducts or flexible sonoduct off the main duct run. Spun radius improves airflow and energy efficiency in the ventilation system. An end is equipped with EPDM rubber seal provides air-tightness class D acc. Eurovent standard. Pressed saddle is universal, one pressed saddle can be inserted on few different duct diameters, check the selection table.