JL Industries 5 lbs, Purple K extinguisher is suitable flammable liquid hazards in public areas such as offices, classrooms, churches, garages, service bays, boats, vehicles, fuel storage and transfer areas. It is not recommended for use on sensitive electronic equipment. This unit contains specialty fluidized and siliconized mono potassium bicarbonate dry chemical agent. Rated for use on “B”, and “C” class fires. Most effective dry chemical agent for Class B...