Brand Name: Sigma Electric
*Height: 4-3/16 in.
*Shape: Round
*Material: Metallic
*Product Type: Extension Ring
*Color: Gray
*Weather Resistant: Yes
*Diameter: 4.13 in.
*Number of Knockouts: 4
*Packaging Type: Shrinkwrapped
*CSA Listed: Yes
*UL Listed: Yes
*Capacity: 16.5 cu. in.
*Application: For Use in Wet Locations
*Knockout Size: 1/2 in.