The air is exhausted at the rear of the cabinet, back into theworkplace after a three stage filtration process. The modelfeatured here is a general purpose workstation for applyingaerosol adhesives, lacquers, fixatives and airbrush spraysto artwork which are placed onto a standard A2 (modelA200H) or A1 (model A100H) drawing board within thehood enclosure. Boards fit at an angle for efficient overspraycapture and ease of use. Accommodates A2 size drawings/boards.