Suitable for scientific research experiments where there may be open flames generated; In recent years, with the increasing demand for testing flammable, explosive, or toxic chemicals, automatic fire extinguishing fume hoods have emerged, adding another line of defense to laboratory safety. The 3F automatic fire extinguishing fume hood integrates fire detection and automatic fire extinguishing systems on the basis of traditional fume hoods, and can be widely used in various laboratories such as chemistry, biology, and medicine.