Flow Ranges: 630 CFM to 6,800 CFM. HERTZ (HZ): 60. CFM HIGH: 630. Features: Pre-wired - Arrives assembled - Perfect for greenhouses, warehouses, etc - 9ft power cord - 115 Volts - Aluminum Shutters - Wall Mounted - Aluminum shutter includes tie bar to reduce flapping in the wind - Made in the USA.
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