Larsen's Stainless Steel Recessed (3½" Projection) Fire Extinguisher Cabinet SS-2409-R4-SD Larsen's Architectural Series is a traditional line of fire extinguisher cabinets available in recessed, semi-recessed, and surface mounted options. These units are designed for all types of buildings and are equipped with the conventional door styles. All doors are ½" thick and open 180º. All doors have a satin finish pull handle with a self-adjusting roller catch, and a continuous piano hinge constructed of material which matches the door and trim. Recessed Mounting.Solid Door. Lock Specification: The Larsen-Loc® provides access to a locked cabinet, without requiring the breaking of glass. During an emergency, it permits the cabinet door to be opened simply by pulling sharply on the handle. Factory applied decal reads: "IN CASE OF FIRE ONLY - PULL FIRMLY ON HANDLE" (priced above) Box Specification: Surface-mounted cabinets with stainless steel door and trim have a box constructed entirely of 304 stainless steel with #4 finish. Trim and Door Specification: One piece, 304 stainless steel with a standard #4 brushed finish.