Build your own Downdraft Sanding Table effortlessly using this kit. Tailor it to your requirements and cut costs at the same time. The kit comes with four downdraft panels featuring non-slip rubber grommets, a 4" dust port, and comprehensive blueprints for constructing the box. Simply construct the box, affix the provided dust port, and link it to your dust collector or shop vacuum. Each panel has dimensions of 6-3/4" W x 16-1/2" L with 13/16" side flanges. To expand the Downdraft Sanding Table, integrate multiple kits. The panels are equipped with orange plastic work stops, adjustable within any downdraft hole.