... extinguisher,fire-fighting,automatci extinguisher,ABC fire extinguisher,dry powder SpecificationXZFTBL6XZFTBL8Extinguisher classification13A,14B21A,18BWeight of extinguisher agent (kg ... nozzle of the spray header of mounted stored pressure dry power fire-fighting equipment, and in normal conditions ... heat, the sealing strip automatically falls off and dry power agent in the fire-fighting equipment with ...