Dust filtration systems with quality you can see From sanding to grinding, we have the dust solution for you in our Denray downdraft tables; Here's how they work: Power up the table, use a hand sander or other hand tools and experience a dustless environment because the dust is directed into the downdraft table through slots using a vacuum system. Our downdraft tables and booths are perfect for in plant airborne, Dust Collector, Hand Tools ...