THE HIGH-VELOCITY FLOOR AND WALL FAN IS DESIGNED TO PROVIDE HIGH-POWERED AIR MOVEMENT IN AUDITORIUMS GARAGES GYMS WAREHOUSES AND WORKSHOPSTHE CIRCULATOR HEAD FEATURES HIGH-EFFICIENCY CORROSION-RESISTANT PROPELLERS WITH STEEL BLADES THE WIRE GUARDS ARE BLACK POWDER-COATED STEEL AND ARE IN COMPLIANCE WITH OSHA STANDARD 1910212 12?Ç MAXIMUM OPENING ALSO INCLUDES AN INTEGRAL 10-FT CORD WITH 3-PRONG NEMA 5-15P PLUG