Commercial Electric 2-1/8 " 4" Wide Remodel Fan Brace with Deep Box

This 21.5 cu. in. ceiling fan brace facilitates safe installation of your fan or lighting fixture without needing attic access. Suitable for new construction or remodeling, it fits into finished ceilings through a 4 in. hole. Compatible with all ceiling fans, it securely locks into ceiling joists with multiple teeth and adjusts quickly with a threaded twin-lead screw. The electrical box can be positioned anywhere on the brace for convenience. Works with existing ceiling joists between 16 in. and 24 in. wide. Comes with all necessary installation components and is UL listed to support lighting fixtures up to 150 lbs. on 16 in. centers and 50 lbs. on 24 in. centers; supports fans up to 70 lbs.