
4 Inch Round, Mud Box with Ceiling Ring, Non-Metallic, Concrete Tight, Color: Blue. Includes: 12 Integral Connectors - (2) - 1 Inch, (6) - 3/4 Inch, (4) - 1/2 Inch. Listed for Fixture Support up to 50 lbs and Ceiling Fans up to 35 lbs.
Carlon mud box assemblies are able to withstand the harsh environments of concrete construction, and are designed specifically for poured concrete slab applications. Using Carlon ENT reducers and adapters, this product will meet any jobsite application