Screw blowers use internal compression, lobed blowers use external compression. Screw blowers are more efficient, potentially cutting energy use in half. Resources: Atlas Copco, www.atlascopco.com ...
If you are in the market for a new leaf blower but want to stick with the DeWalt brand, here is every option ranked by user ...
The EP12ACP axial-flow confined space ventilation blower has the power to push air through a 12-in.-diameter flexible duct up to 100 ft. in length. Produces 1,825-cfm free air delivery 1-hp, 115-VAC ...