The high capacity WORX TRIVAC TURBINE Blower/Vac with its powerful dual-stage metal impeller boasts an industry leading 24:1 mulch ratio. The easy-to-use, 3-in-1 patented system for blowing, vacuuming, and mulching eliminates the unnecessary hassle of interchangeable tubes. Simply go between modes with the attachment of the hassle-free collection bag. The dynamic airflow design forces air in a streamline motion to deliver consistent and powerful results with up to 600cfm in air volume. FEATURES: Patented All-in-One single tube system: Blower/Vac/Mulcher. >Patented All-in-One single tube system: Blower/Vac/Mulcher. >Dual metal impeller design boasts an impressive 24:1 mulch ratio. >Electronic variable speed for corner sweeping and maximum performance. >Quickly converts from blower to vacuum mode with the flip of a switch. >High capacity air volume with turbine fan technology. >Dynamic airflow design for maximum performance. >Ergonomic one-hand operation and tool-free design.