Definition - What does Downdraft Booth mean?
A downdraft booth is an enclosure that supplies a liquid or gas substance that enters from the booth's ceiling and drifts down to the floor. Downdraft booths are often used for dust collection, fluid (air) processing, cleaning and to capture flammable substances.
Corrosionpedia explains Downdraft Booth
Downdraft booths can be insulated, heated, equipped with filters and manufactured with various configurations to suit a given application. They are used primarily to prevent exposure to external environments when handling substances.