XL Plenum Rated Storage Box for Chief CMS440/CMA440
The Chief CMA473 is an above-tile extra large storage enclosure for Chief's suspended CMS440 and CMA440. This storage enclosure is designed to provide convenient storage for your cables and equipment. It offers a low profile with a flat, removable lid that works well in tight plenum spaces and provides multiple knockouts (0.5" and 1.5") for ease in routing cables. Designed for use with CMS440 and CMA440 suspended ceiling kits, includes support for dual-gang surface-mount electrical boxes.