Steel City 4 In. New Construction Octagon Ceiling Fan Support Box

Octagon ceiling fan support box. Features a volume of 22.5 cubic inches with a 4-inch diameter x 2-1/8-inch depth. Includes 1/2-inch knockouts. Durable pre-galvanized steel drawn construction with non-metallic cable clamp (C-5) and F bracket. For use with non-metallic sheathed cable.