DEWALT DWV012 10-Gallon Dust Extractor with Automatic Filter Automatic Filter Clean pulses every 30 seconds for continuous operations without stopping to clean filter. This is a HEPA vac that comes with HEPA filters Powerful 15-Amp motor delivers 140 CFM of airflow for maximum suction Power Tool Actuation controls the On/Off operations of the vacuum with a power tool Variable Suction controls vacuum's power consumption and amount of suction Telescoping handle for easy transport