4" Octagon Concrete Box, Drawn, Metallic. Depth: 3". Side Knockouts: (4) 1/2" & (4) 3/4". Cubic Inches: 37.0".
- Depth: 3 in
- Knockout Diameter: 1/2 in
- Knockout Diameter: 3/4 in
- Mounting: Screw On
- Material: Steel
- Mounting: Nail On
- Diameter: 4 in
- Cubic Inches: 37 in³