ADJUSTABLE CEILING FAN BOX - 4"This Hubbell 4" adjustable ceiling box slides apart to accommodate joist spacing from 16" to 24", making it ideal for ceiling fan and light fixture installations. The built-in metal protection plate, nail spurs for easy positioning, and included mounting hardware simplify installation.
- Adjustable for 16" to 24" joist spacing
- Metal protection plate included
- Nail spurs for easy brace positioning
- #10-32 x 1" ceiling fan mounting screws included
- #8-21 ceiling fixture mounting provisions
- Supplied with 2-1/2" knockouts
- Up-front ground screw for easy installation
- Mounting hardware and instructions included