The Weed Eater FB25 is perfect for hard surface applications such as driveways, sidewalks and patios. With a reliable 25cc 2-cycle engine and variable speed throttle, it generates air speed up to 170 mph and air volume up to 290 cfm. At 8.1 lbs, the FB25 is our lightest weight blower and also features a reduced vibration handle. 2 year limited warranty