Yard-Man Backpack Blower -&nbsp;27cc, 445 CFM, Model# YM2BP &#160;27cc 2-cycle engine moves air at 145 MPH and 445 CFM EZ-Start advanced starting technology gets the blower going with minimal effort &#160;Padded multi-point harness suspension system and hip belt with mesh back distributes weight evenly between shoulders and hips, to make long jobs more comfortable