Pasgan Filter Ltd, was founded in Oshtorjan Industrial Town, Falavarjan, Isfahan province, I.R Iran. It started manufacturing in 2001. The company aims at designing and producing different kinds of car, truck, bus and fire transport vehicle and diesel equipment filters as well as industrial ones ( used power plants, refinery and petrochemical factories, generators and big rigs etc.) in order to improve the efficiency of their performance and to help the environment. The trade name of such filters is Pasgan.