This General dust collector is a high quality collector that will meet your dust management needs and applications. Simply plug your tool into the DC and the DC will turn on and off with the tool. Designed for Industrial applications with a continuous duty rating. The motor is totally enclosed, fan cooled and permanently lubricated. Intake screen prevents larger pieces from jamming in the sparkfree impeller. Innovatively designed to be portable and mobile on four heavy duty swivel casters. It's user friendly and can move around your shop at great ease. Quick-release bag clamps with metal straps on the upper bag and "snap in" ring to hold the lower collection bag. The Safety lock-out switch with removable key, helps prevent unauthorized use. Spark resistent precision aluminum spin-balanced impeller for smooth operation and minimal noise. Includes reuseable clear plastic collector bag and washable, extra fine 2 micron filter bag. 11-1/4" Static pressure of water without bag. Electrical Testing Labratory CERTIFIED (ETL). Limited 3 year warranty extendable to 5 yr if registered at www.general.ca