Dust extractor provides users with an osha-compliant solution for the regulation on respirable crystalline silica dust (29 CFR 1926.1153). an automatic filter cleaning mechanism helps maintain consistent airflow and suction at 148 CFM in tough dust-producing applications. The extractor's unique two step Filtration system includes a 99.97% efficient HEPA filter as the final step, leading to cleaner air and a safer work environment. For added convenience, an on-board tool activated Plug allows users to start and stop the vacuum with a power tool to increase productivity. The adapters included are compatible with all Milwaukee dust extraction accessories..