1 Gang, Draft Tight, Electrical Outlet Box, 22.5 CUIN, 3-5/8″L 2-1/4″W x 3-1/4″D, Angled Side Nails For Mounting, For Use With Non-Metallic Sheathed Cable, High Strength Polycarbonate Withstands Temperature Extremes, Meets Energy Efficiency Requirements For New Homes, Features A 1/2″ Offset Flange To Ensure A Flush Fit In 1/2″ Drywall, Foam Gaskets Over Cable Entry Points Provide Draft Tight Seal Preventing Flow Of Air Through Box, UL Listed.