4" Octagon Ceiling Box, Metallic. Depth: 1-1/2". Side Knockouts: (3) 1/2" & (2) Priouts. Bottom Knockouts: (2) 1/2". Fan Weight: 70 lbs. Fixture Weight: 150 lbs. Cubic Inches: 16"
- Knockout Diameter: 1/2 in
- Mounting: Screw On
- Color: Gray
- Material: Steel
- Mounting: Nail On
- Diameter: 4 in
- Depth: 1 1/2 in
- Cubic Inches: 16 in³