Ceiling Assembly 300mm ACDC1018 Hot aisle containment for high-density configurations. Includes: Installation guide Features Ceiling tiles Closes off the top of the hot aisle to prevent warm air from mixing with room air. Physical Net Weight 13.00 lbs. (5.91 kg) Maximum Height 1.25 inches (32 mm) Maximum Width 11.30 inches (287 mm) Maximum Depth 41.00 inches (1041 mm) Shipping Weight 20.00 lbs. (9.09 kg) Shipping Height 3.00 inches (76 mm) Shipping Width 14.00 inches (356 mm) Shipping Depth 44.00 inches (1118 mm) Conformance Regulatory Approvals cUL Listed,CSA,UL Listed Standard Warranty 1 year (parts only)