Automatic mini S type aerosol fire extinguisher usded in car, vessel, train,power distribution container and etc. Aerosol Mass (g) ... mini S type aerosol fire extinguishing device is made up of a casing, fire extinguishing agent,liner,lead wire,after the fire ... operation xan be done automaticallythe fire extinguishing work.It products a fire extinguishing gas without any harm to human body,no ...