A fume hood has been used in several labs and industries. But, only a few users understand the composition and structure of a fume hood. In this article, we will discuss the structure of the fume hood.

1. The hood: It is the main body of the fume hood, which covers the work area.
2. The sash: It moves up and down and provides a barrier between the user and the hood work area.
3. The exhaust system: It consists of ducts, blower fan, and ventilation system that remove the toxic gases and chemicals.
4. The purification system: It is an additional system to remove hazardous contaminants from the air.
5. The monitoring system: It helps detect and control any harmful emissions.

Knowing the structure and composition of the fume hood is vital before operating it in a laboratory.