The WORX TRIVAC is the easy to use . All in one system for blowing . vacuuming and mulching leaves. No stopping to change tubes and no downtime to switch from a blower to a vac. This machine does it all with a flip of a switch and no tools. The balanced single hand operation makes it easier to maneuver and control without much fatigue. In vac mode . the innovative vacuum tube design provides 350 cfm of volume even when reaching under decks and patio furniture. In blower mode . the air speed can be adjusted from 75 to 210 mph for more power on demand . or adjust the air speed to maximize performance for blowing and sweeping in corners or harder to reach areas. The WG505 TRIVAC has a metal impeller which provides a 16 to 1 mulch ratio. A quick tube release makes cleaning a breeze. The included collection bag holds up to 1 bushel of mulched leaves. With the TRIVAC’s powerful 12 amp motor . this tool makes an efficient alternative to gasoline powered tools. There is no downtime with the TRIVAC blow the leaves into a pile; vac and mulch them; and dump the bag for compost or collection. All in one system: Blower/Vac/Mulcher Single hand operation . compact and light weight Easy one touch . no tool Blower/Vac conversion result with flip of a switch Metal impeller provides a 16:1 mulch ratio Adjustable air flow speed for corner sweeping and maximum performance