Notiifier BX-501 Plug-in Detector Base, White
6.1" Diameter
Mounting:
• 4-inch square box with or without plaster ring, Min. Depth: 1.5 inches.
• 4-inch Octagon Box, Min. Depth: 1.5 inches.
• 31/2 inch Octagon Box, Min. Depth: 1.5 inches.
• Single Gang Box, Min. Depth: 1.5 inches.