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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
In the Box
Chief CMA471 Large Plenum Enclosure for Chief Suspended Ceiling Kits (White)