Fan Guard, Fan Accessory Type Front/Rear, Guard Dia. 20 7/16 in, Fits Fan Dia. 18 in, For Use With Not Applicable, Mounting Slot O. C. A 2 3/4 in, Mounting Slot O. C. B 4 1/2 in, Material Steel, Gauge 0.1 in, Color Gray, Fan Accessory Finish Powder Coated, Includes (1) Front and (1) Rear Section, Standards OSHA Compliant. This item has been restricted from sale in the following state (s): []