2 Gang, Draft Tight, Electrical Outlet Box, 36 CUIN, 3-1/2″L x 3-1/4″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.