Von Duprin 33A for all types of single and double doors with a mullion, UL listed for Panic Exit hardware. The Von Duprin 33A rim exit devices are ANSI A156.3 2001 Grade 1. The 33A is a non-handed exit device that fits door stiles as narrow as 1 ¾” (44mm). The newly designed device has a one piece center case cover.
