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

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