37 Cu. In. two gang electrical box for use with nonmeatllic sheathed cable - Polyurethane flange for single drywall offset, machine tapped device holes, slot provision for low voltage divider, leveling ribs, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures - New work residential construction 2 HR fire resistive walls - air tight - Fiberglass reinforced polyester - thermoset with polyurethane flange - Size:D=3 7/16", W=4", H=3 3/4" - Mount with Angled mid nails - Speed Klamps™ factory installed
