The WORX WG520 Blower is a High capacity air volume blower with TURBINE fan technology that delivers a powerful performance with up to 600 CFM. With air speeds up to 115mph and a variable-speed control system allows this blower to tackle any job. The dynamic airflow design forces air in a streamline motion to deliver consistent and powerful results. The 600 CFM is in line with the air volume moved by a some professional backpack blowers, so you know you can get the job done. Black.