Exhaust fans removes old and contaminated air from the building and replace it with new and pure air. This means that all pollutants are sucked out of the building along with the air. Since the fan also fills the building with fresh air, workers do not have to inhale harmful chemicals or gases...See More
Exhaust fans removes old and contaminated air from the building and replace it with new and pure air. This means that all pollutants are sucked out of the building along with the air. Since the fan also fills the building with fresh air, workers do not have to inhale harmful chemicals or gases.
See Less