Legrand Pass & Seymour Slater New Work 4 in. Plastic Round Ceiling Box with Bar Hanger and Auto/Clamps

Legrand Slater ceiling boxes are made of durable thermoplastic and feature dual mounting to accommodate either 2.75 of 3.5. Screw lock holds screws in box until they are needed so there is no lost hardware. It is constructed with impact-resisitant Noryl thermoplastic, making it virtually unbreakable and non-conductive.