Table 1 Compliance - The New Bosch 300-CFM Dust Extractor was designed for high-performance dust extraction in heavy-duty concrete construction applications such as concrete cutting and surface grinding. In our case, we put this dust extractor to the test while grinding away epoxy from a garage floor and prepping for new epoxy. The Bosch dust extractor has a motor with a 20-amp plug to deliver 300 CFM. This dust extractor is specifically designed to help users move toward compliance with the OSH