Echo ES-250 Shred N Vac®Description: When its time for a fast, reliable cleanup, the ES 250 Shred N Vac delivers the power and flexibility needed get the job done. It starts easily and quickly converts from a blower to a vacuum shredder, saving homeowners time, space and effort. Top Features: Three tools in one: easily converts from blower to vacuum shredder Patented 4 blade shredding mechanism reduces debris by a ratio of 12: 1 25. 4 cc professional grade, 2 stroke engine