Intake: Of all of the different types of spray booths, this is perhaps the simplest. The air flows into this booth through it’s open face. As the name suggests, this booth is open (has no doors), and so will bring in “unfiltered air from the overall shop environment. Depending on the demands of the finishing requirements, keeping the shop air clean from other operations may be a matter of significant concern, and must be addressed accordingly. The air then travels horizontally (crossflow), covering the paint area with high CFM air flow.
Exhaust: Finally, the air arrives at the rear exhaust plenum, having removed the overspray and other particulates from the paint area. The air is drawn into the exhaust filters, where the air is filtered before being exhausted out of the booth. Depending on the type of filtration required by your environment, the air can be exhausted directly back into the shop (if you are using chemically activated charcoal filters to remove solvents, for example), or into the outside environment (in the case of standard filter types).