Carlon ENT Wall Box is designed for use with electrical non-metallic tubing (ENT) conduit, making it i for masonry wall installations. This UL listed electrical box features a single gang configuration with a screw-on mount type, measuring 2-1/4 inches in width, 3 inches in height, and 3 inches in depth, providing a volume of 16 cubic inches. Constructed from durable blue PVC, it is molded for strength and non-metallic for corrosion resistance. The box includes 1/2 inch knockouts and is not gangable, ing a reliable and straightforward solution for electrical wiring needs. Model Number: A58381DCAR