533, 7", 3 Speed, Compact Fan, Circulates Air 65', Multi-Directional Airflow, Compact In Size But Full-Size In Performance, More Effective Than Most 18" Fans.
633, 9", 3 Speed, Circular Fan, Moves Air 70', Multi Directional Air Flow, More Effective Than Most 18" Commercial Fan, Full Size Performance, 5 Year Warranty.