A blower Exhaust Hood is commonly used to exhaust contaminated and hot air away from a process to allow machine operators to breathe fresh air. It is very vital part of a fume hood system. It is a component that moves hot air through the fumes hood. The blower Exhaust Hood comes with a built-in blower that is mounted right above the fume hood. These are made of high-quality material and this exhaust has a high-power motor that throws out air for ventilation.