1.CLEAN,LOWER TOXICITY,SAFETY SYSTEM. 2.EASY REPLACEMENT FOR HALON 1211 OR 1301 3.BRAND PRODUCT,HIGH QUALITY This System Including 3 PARTS:PART 1:FIRE ALARM & DETECTING,SMOKE DETECTOR,HEAT DECTOR,PHOTOELECTRIC SMOKE DETECTOR,FIRE CONTROL PANEL,FIRE KEEP OUT LIGHT,DANGER WARNING LIGHT.PART 2:PIPES & CONNECTION(HIGH PRESSURE PIPE NET WORK,DIVISION VALVE,SAFETY VALVE,CONNECTORPART 3:CYLINDER ...