Dust Connection - DIY Downdraft Panels with Blank Kit - 2 PieceA downdraft table is the most efficient tool for capturing sanding dust at the source. Stand alone downdraft tables can be very expensive; however, our WoodRiver Dust Connection 2 Piece Downdraft Panel Set makes it easy to build your own solution. Each steel panel has an array of large holes for rubber grommets that grip your workpiece. Additional smaller holes help pull the sanding dust down and away from the user when used with a shop vacuum or dust