The Von Duprin 9949wdcl 313 3lhr lbl 996/US1 3 ft CVC Exit Device is a high-quality commercial door hardware designed for use in industrial and business settings. This particular product is a 3 foot unit with the model number US1, featuring a commercial-grade design suitable for various exit device applications. With the Von Duprin brand known for its durability and reliability, this exit device offers a secure and functional solution for businesses looking to enhance their building materials and supplies.