Auto Filter Clean and HEPA filter provides a complete package that is designed to help users move toward compliance with the OSHA silica dust regulation. Automatic filter cleans filter every 15 seconds to maintain maximum suction power. Power tool activation allows power tool's switch to turn vacuum on and off. Power Broker™ dial allocates power between vacuum and connected power tool allowing suction control for specialty applications. The included HEPA filter captures 99.97% of particles at 0.3 microns and larger. The fleece bag helps to protect the filter and provides the optimal containment of dry dust and debris. Wet vacuuming water level sensor automatically shuts down vacuum when water reaches a maximum height to protect motor. Rubber wheels and locking caster are built to withstand the demands of a jobsite. Includes: HEPA flat filter, fleece filter bag, 10' vacuum hose, bend nozzle, and power tool adapter nozzle.