600cfm / 16:1 - 12 Amp TRIVAC Blower / Mulcher / Vac, Patented motor rotates from a blower to a vacuum with mulching capabilities by the turn of a knob. Wide mouth tube with 600 CFM for high-capacity air volume. Metal propeller provides a 16:1 mulching ratio (turn 16 bags of leaves into 1). Includes a quick, detachable bag for composting or general collection. Two speed operation for corner sweeping and or maximum performance.