Worx 135 MPH 800 CFM 12 Amp Electric Leaf Blower, Most PowerfulTHE MOST POWERFUL ELECTRIC BLOWER IN THE MARKET. The 800 CFM 12 AMP Electric TURBINE Blower is, quite simply, the most powerful electric blower in the marketplace. Other 800 CFM (Cubic Feet per Minute) blowers don't put out wind power at 135 MPH. They just don't. Physics shouldn't allow it, but our engineers found a workaround. And even though you're going to want to blow at that speed all the time, you can actually dial it down if you need to, using