Hubbell Scrubshield B2520 concretetight round shallow fully adjustable floor box is the all-around answer for a wide variety of installations and applications - designed for concrete floors. Box is constructed of cast iron and measures 4.19" (top opening) x 2.63" deep with 16.8 cubic inch capacity. Floor box has four threaded 3/4" conduit hubs and two 3/4" bottom openings. The min. depth of pour is 3.00" and the after pour internal height adjustment is 0.25". Box is compatible with the following covers: S2525, S2725, S2925, S3325, S3725, S3525, S3925, SF2525, SF3925, SF2925, SF2725. Each is individually packaged; packaging may differ from photo. Features include:
