U.S.SAWS vacuums are specifically designed for concrete dust and the construction industry.  All our vacuums are OSHA compliant under the Table 1 Silica Dust guidelines when used properly.  Oversize filters maximize airflow even while the dust bin in near capacity.  The Ultra-Vac line is a simple rugged design to withstand the abuse of even the toughest crews. If you need assistance choosing a vacuum, please call and speak to one of our experts to guide you in the right direction 1-877-817-6687 .