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 a main duct run. Spun radius improves airflow and energy efficiency in the ventilation system. Pressed saddle is often used by manufacturers for production of straight tees and X-pieces. Raw on both ends.