This 20" floor fan offers 3 adjustable fan speeds with a max 6750 CFM for a powerful air flow. & the operation is simple with the control switch. Also, the fan head features 145° adjustable tilting angle to provide your desired wind direction. Constructed with a metal frame & aluminum alloy fan blades, this heavy-duty air circulator is built for long-lasting service. 3-Speed Control & Adjustable Tilt: The operation is easy with the control switch, & this floor fan is designed with 3 adjustable fan speeds: 5062 CFM (Low Speed) / 5906 CFM (Medium Speed) / 6750 CFM (High Speed). It also features a 145° adjustable tilt that provides flexible wind direction & meets different needs. Powerful Motor & Airflow: With 160W high efficiency motor, this industrial floor fan is able to blow a powerful airflow with a max distance up to 6.5m. & the thickened aluminum alloy fan blades are durable for long time use. Safety Protection: The powerful & durable motor is approved for durabilit