The Mastercool 1200 CFM blower fan, No. 21200, a multi-functional product that is used to create a cooler and cleaner air flow in work stations, allowing equipment to work faster and more efficiently, according to the company. Technicians use these units as a cooling mechanism for shop equipment because of their high volumes of air output. These units are also used to dry floors, carpets and paint. The 1200 CFM blower fan offers a variable speed switch from 950 to 1,650 rpms, overload protection, 2.0 amps, 11 Amp built-in grounded receptacles and 120V. This fan is made of impact-resistant ABS material.