This 20 in. industrial pedestal fan is built with an all-copper dual-ball bearing motor, delivering stable operation, overheating resistance and long service life for daily and commercial use. It provides 3 adjustable wind speeds with airflow ranging from 3500 CFM to 5000 CFM and a maximum wind speed of 24 ft./s, quickly boosting air circulation and cooling large indoor and outdoor spaces. Featuring 1-touch oscillation, it supports 75°-105° vertical tilt and 80° left-right rotation, plus adjustable height from 54.3 to 70 in. for flexible wind coverage. Operating under 65 dBs with an encrypted safety mesh cover, this free-standing fan is UL and FCC certified, quiet, safe and perfect for garages, gyms, shops, patios and basements.