The?524?4 blade heat powered mini stove fan is one of our?shortest?fans we offer; at a height of just??125mm and width of?110mm. It?s sleek and slender design combined with its?mini?blade size makes this fan ideal for?all?rooms and/or?smaller?fireplace and stove surrounds. Like all of our fans, the?524?fan speed automatically varies with the temperature of the stove.? This fan provides a super 400 CFM at 350?C.