Matco Tools offers a line of blower fans from Mastercool including the 1200 cfm Blower Fan (21200), the 300 cfm Blower Fan (20300) and the Heater Attachment for the 300 cfm Blower Fan (20300-HTR). The 21200 and the 20300 are for indoor and outdoor use with built-in overload protection and variable speed switches to control motor speeds between 950 and 1650 rpm. The 21200 weighs 15.9 lbs and has an 8.5' cord. The 20300 weighs 11.5 lbs and also features an 8.5' cord. The 20300-HTR clips securely onto the front of the 20300 to convert the blower into a heater.