Atlantic Machinery's Coral downdraft table Atlantic Machinery Corp. manufactures the Coral BSW/P down-draft table, which is a heavy-duty, self-contained unit with six anti-static polyester cartridge filters and reverse pulse jet compressed air cleaning. The table measures 78 3/8 in. by 39 in. by 33 1/2 in. and has a maximum delivery of 2,647 CFM.