The Chief CMA471 Plenum-rated Enclosure for Chief's Suspended Ceiling Kits (CMS440, CMA440, CMA450, CMA455 - new units only) is designed to provide convenient storage for your non-plenum rated cables and equipment.
Hinged door for easy access
Includes support for two dual-gang surface-mount electrical boxes
Designed for use with NEW CMS440, CMA440, CMA450 and CMA455
UPC: 841872111087