Mortise Exits Designed for applications that require a fire-rated or life-safety exit device with mortise locking solution. Adams Rite mortise exit devices include a heavy-duty deadlatching mechanism for high level security and are easy to install in single door applications or most typically on the active leaf or a pair of doors. 8300 Series (Life-Safety) | 3300 Series (Fire-Rated) Mortise Exit Device The 8300 Series Mortise Exit Device is designed for hollo… 8400 Series (Life-Safety) Narrow Stile Mortise Exit Device The 8400 Series Narrow Stile Mortise Exit Device is desig…