22.5 Cu. In. single gang electrical box for use with nonmeatllic sheathed cable - Machine tapped device holes, leveling ribs, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures, corrosion resistant - New work residential construction 2 HR fire resistive walls & ceilings - Fiberglass reinforced polyester - thermoset box with polyurethane flange - Size: D=3 1/2", W=2 1/4", H=3 3/4" - External adjustable mounting plate, corrosion resistant, one screw design for easy adjustability from 0"-2"
