Switch-Device Outlet Box Partitions (Nonmetallic): Type - Switch Outlet Box Extender; Application - Old Work; Number of Gangs - 1; Width in inch - 3.34; Height in inch - 5.12; Depth in inch - 0.625; Mounting Hardware - Device Screws; Material - Plastic; Device Mounting Holes - Back Box; Additional Information - Capacity: 5.3 cu in
Additional Info: Capacity: 5.3 cu in