Scepter F-Series Single Gang Weatherproof Covers are designed with stainless steel return-springs/clips and packaged with brass screws to provide a positive seal, even in cold temperatures. Approved for use in washdown environments, weatherproof covers are certified to UL standard 514C. Utilities cable communications residential airports subways bridges & tunnels mines marinas water/sewage treatment plants pulp & paper industries street & highway lighting food processing plants agricultural parking garages car washes fish plants steel mills Approved for use in washdown environments Watertight seal protects wiring from outside elements Made from durable, impact resistant PVC Corrosion resistant brass screws and inserts for long life