The Quick-Sling® Roof Bracket QSRB1000 mounts to a QSWB3000 or the QSMS1200,1201,1202,1800,1801,1802, 2400, 2401, 2401. The Roof Bracket protects the equipment from snow and freezing rain and is designed to ensure proper airflow around the equipment. It is constructed of 14 ga. powder coated steel and the roof shield is made from durable, UV protected twin wall plastic. This product is made by DiversiTech. Quick-Sling® Roof Bracket, 36 in Length, 48 in Width, 3 in Height, For Use With: Model QSMS1200, QSMS1201, QSMS1800, QSMS1801, QSMS2400, QSMS2401, QSMS1202, QSMS1802, QSMS2402, QSMS1203 and QSWB3000 Mini Split Stand, Steel, Telegray, Powder Coated, Domestic