Industrial Fan Guard Fan Accessory Type Industrial Fan Guard Guard Dia 33 in Fits Fan Dia 30 in For Use With 1VCH4 1VCH5 Mounting Slot O.C. A 2 3/4 in Mounting Slot O.C. B 4 1/2 in Material Steel Color Yellow Fan Accessory Finish Polyester Powder Coated Standards ANSI Z535.1 OSHA Compliant wire guards