What fire extingusiher can put put out a vapor fire?

A Class B fire extinguisher is effective for extinguishing vapor fires, as it is designed to combat fires involving flammable liquids and gases. These extinguishers typically contain foam, dry chemical, or carbon dioxide agents that can suffocate the flames and prevent re-ignition. It's crucial to ensure that the extinguisher is rated for the specific type of flammable vapor involved in the fire. Always prioritize safety and evacuate if the fire is beyond control.