Automatic Filter Clean allows continuous use without stopping to clean filter. 15 Amp motor delivers 140 CFM of airflow for max suction. Power Tool actuation controls the on/off operations with a power tool. Variable Suction controls vacuums power consumption and amount of suction. Universal hose connector provides robust connection with swivel capability. Can be used with wet or dry applications. Multiple tie down points. Heavy duty wheels and locking casters.