AAF's line of DownDraft Benches offers a hands-free method of capture at the source of fumes and dust. 

Model DDB-5050D is a portable unit equipped with a automatic reverse-pulse cartridge cleaning system that is activated each time the power is turned off. The unit offers a 48" x 97" x 36" work surface with integrated overhang on each side of the table to accomodate two work stations, along with a standard steel bar grating, two pleated cartridge filters, magnetic motor starter, and silencer.