The PD920 Series exit devices offer solutions for a variety of openings. The PD921 is a low-profile exit device, available in rim exit or vertical rod. The PD922 is a commercial grade rim exit device designed for narrow stile aluminum and glass doors. The PD923 is a fire-rated rim exit device. All PD920 Series exit devices are recommended for use on exterior and interior outswinging doors. Typical applications include Stores, Office Parks, Warehouses, and Industrial Sites.