Fireboy-Xintex MA2 ManualAuto Clean Agent Fire Extinguisher The Fireboy-Xintex MA2 ManualAuto Clean Agent Fire Extinguisher protects engine rooms and machinery spaces by automatically discharging at 175 F 79 C or when manually released. The Fire Extinguisher comes complete with a powder coated steel shelf bracket and a status indicator light. Features HFC-227 a widely used clean agent, that is a replacement for Halon, helps use lower concentrations of the agent to prevent fires. The best part is