The DEWALT 10-Gallon Dust Extractor with Automatic Filter Clean was designed to provide a high level of dust containment without sacrificing performance. This dust extractor is equipped with automatic filter cleaning functionality that pulses every 30 seconds for continuous operation without you having to stop to clean out the filter. The powerful 15 amp motor delivers 140 CFM of airflow for maximum suction. This dust extractor comes with two HEPA filters and a kink-resistant hose.