Fire Extinguisher Cabinets Door and Trim Construction: No. 4 stainless steel. Flush cabinet doors with a 5/8" door stop are attached by a continuous hinge and equipped with zinc-plated handle and roller catch. Fire Extinguisher Cabinets Trim Style and Depth: Recessed - 3/8" flat trim. Semi-Recessed - 1 1/4", 1 1/2" Square Edge or 2 1/2", 3", 4" (recessed pull), 4 1/2" Rolled Edge. Surface-mount has a square edge or optional rolled edge upon request. 1 3/4" face trim on frame and door. Tub: Constructed of cold rolled steel with white powder-coat finish standard. Surface mount tubs are No 4 stainless. ***SEE EXTINGUISHER PAGE FOR SUBMITTALS***