... REPLACEMENT FOR HALON 1211 OR 1301 3.BRAND PRODUCT,HIGH QUALITY This System Including 3 PARTS:PART 1:FIRE ALARM & DETECTING,SMOKE ... ,FIRE CONTROL PANEL,FIRE KEEP OUT LIGHT,DANGER WARNING LIGHT.PART 2:PIPES & CONNECTION(HIGH PRESSURE PIPE NET WORK,DIVISION ... THE DESIGNED CONCENTRATION )c.DO YOU NEED FIRE ALARM PART 1 LIKE SMOKE DETECTOR,...CONTROL PANEL,/......3. Main Specification of the Cylinder