4" Octagon Ceiling Box with Bar Hanger, Metallic. Depth: 2-1/8". Side Knockouts: (3) 1/2". Adjustable Length: 16" to 24". Fan Weight: 35 lbs. Fixture Weight: 70 lbs. Cubic Inches: 21.5".
- Type: Octagon Box
- Knockout Diameter: 1/2 in
- Mounting: Bracket
- Type: Mounting Bracket
- Mounting: Screw On
- Depth: 2 1/8 in
- Mounting: Nail On
- Diameter: 4 in
- Cubic Inches: 21.500 in³