Carlon HB1DP Handy Box Duplex Receptacle Cover is used to cover an existing outlet. Designed to fit most duplex receptacle devices. Made of durable, thermoplastic material, the cover will not rust or corrode.
Carlon E460R-CAR Round Blank Ceiling Box Cover, 4 Inch Diameter in Blue Color, Material is Non-Metallic. Produced from a high impact lightweight plastic material for 4 inch round to make junctions. UL listed.