Ruggedly constructed to protect from moisture, debris and insects, while providing easy access to receptacles UV-resistant polycarbonate cover and base protect wiring devices from the elements without breaking, cracking or discoloration Designed for use with Leviton GFCI/Decora outlets Standard opening accommodates Decora® GFCI devices and additional adapter plates are included for duplex and single receptacle openings Pre-mounted heavy-duty gasket provides a weather-resistant seal which protects from moisture and adds to ease of installation