Ceiling-fan-support-box-with-metal-cover, the 21.5 cu. in. fan box allows you to safely install your ceiling fan or lighting fixture without having to access attic space. the side bracket box design provides secure attachment to an existing ceiling. This 12 cu. in. ceiling fan box allows this 12 cu. in. ceiling fan box allows you to safely install a fan or lighting fixture during construction. ideal for installation during new construction or remodeling, it can be installed anywhere with attic access., find ceiling fan electrical boxes at lowe's today. shop electrical boxes and a variety of electrical products online at

These are easy to install although i had attic access. i've used three for ceiling fans in bedrooms at my house. each holds very solidly. if installing from within the room, there is a small magnet that holds the box to the bar and the screws that you have to tighten down will not push up., 1 pc, 0.0276 thick white powder coated steel 8 in. ceiling blank-up cover, white, for raised ring or 3-1/2 in. round/octagon box for oversize box openings or drywall & plaster imperfections. Ceiling fan support box fan master junior ceiling fan or fixture support box ceiling fan mounting box screws.. ceiling fan support box ceiling brace and box kit ceiling brace and box kit ceiling fan support brace new ceiling ceiling fan electrical box mount., flexible. for flush ceiling installations on ceilings over 1/2" thick, bend the bracket along the scoreline that matches the ceiling depth. 7 plated steel boxes with fully adjustable mounting brackets see chart on page 15 uses • ul/csa load ratings • number of single conductors