207 4 Square Extension Ring 2-1/8 Deep Welded Metallic

4 Inch Square Extension Ring, 2-1/8 Inch Deep, Welded, Metallic, Side Knockouts: (6) 1/2 Inch and (6) 3/4 Inch, Cubic Inches: 30.3

Extension rings provide additional cubic capicity. May be used an an outlet box for surface conduit. Constructed from 1/16 in. pre-galvanized steel.

Product Specification :

• Combination screw heads allow quick installation
• Welded construction
• Six 1/2 in. knockouts and six 3/4 in. knockouts
• UL Listed
• 30.3 cu. in. capacity