Leviton M5979-GY Raintight While-In-Use Metal Cover For Duplex And Decora Devices, Vertical Mount, Gray,Leviton,M5979-GY" /> Die cast aluminum cover and bases Tongue and groove plate-to-cover construction Stainless steel springs for excellent corrosion resistance Mounting screws and rubber gasket included for fast and easy installation Full compliance with UL, CSA and NEC section 410-57 requirements for damp and wet locations with cover closed