A fume hood is a type of ventilation system designed to protect workers from hazardous fumes, vapors, and dust particles. It is an essential part of any laboratory or industrial setting where dangerous chemicals or materials are handled. A fume hood is a large, enclosed space that is connected to an exhaust system. The hood is designed to capture any hazardous fumes or particles that may be released during the handling of chemicals or materials. The exhaust system then removes the hazardous particles from the air, ensuring the safety of the workers in the area. Fume hoods are typically made of stainless steel or other non-corrosive materials, and they are equipped with a sash, or window, that can be opened and closed to control the amount of air flow. The sash is also used to protect the workers from any direct contact with the hazardous fumes. Fume hoods are essential for protecting workers from hazardous fumes and particles, and they are an important part of any laboratory or industrial setting.