TheK-Tool International 42" Belt Drive Industrial Drum Fan, No. KTI77742, features sturdy rubber wheels and two speeds. With a high speed of 14,800 cfm and low speed of 11,250 cfm, it creates as much air flow as needed into any environment. A belt-driven drive and four-blade propeller, enables the working drum fan to operate quietly and efficiently. Designed with cut-off protection, the industrial drum fan offers cut-off technology to eliminate the possibility of overheating. Additionally, the industrial drum fan is lightweight and has no-slip rubber stoppers, making it easy to move without the fan sliding anywhere.