Protect your electrical devices with the Westlake RWDR15-10 F Series Weatherproof Cover Plate. Constructed from durable PVC in a neutral gray color, this single-gang cover plate is designed for weatherproof applications. Its threaded mounting type ensures a secure and reliable installation, making it ideal for use with duplex receptacles in outdoor or exposed environments.The Westlake RWDR15-10 is a single-gang, weatherproof cover plate made from PVC. It features a gray color and a threaded mounting type, designed for use with duplex receptacles. The F Series designation indicates its product line.