"This Q Standard 30in. Industrial Direct-Drive Drum Fan has a totally enclosed steel-cased 120V motor to deliver a 9100 CFM cooling power. Direct drive motor features permanently sealed bearings and high-temperature resettable thermal shutoff for operation in high temperatures. Rugged and dependable, the Industrial Direct Drive series drum fan is built to last. Amps 2.65-3, Fan Diameter in. 30, HP 1/2, Power Cord ft. 10, Air Delivery CFM 7,000-9,100, Volts 120, Watts 280 to 330, Speed RPM 950-1,100, Speeds qty. 2. Direct drive fan motor requires less power to operate and needs less maintenance Motor features permanently sealed bearings for high temperature operation High-temperature resettable thermal shutoff allows operation in high temperatures Motor shield resists dirt and debris All steel shroud with handle and wheels for portability Two-speed rotary switch controls output Aerodynamically balanced fan blades are quiet and made of non-corroding aluminum for longer life Includes cord-storage handle and wheels for easy portability 10-ft. SJT-type power cord Meets federal OSHA safety standards"