... THE CYLINDER , 40LTR TO 200 LTR WORKING PRESSURE : 2.5MPA AND 4.20MPA MEET MUTIL- FIRE REQUEST FM 200( HFC-227EA ) GAS CYLINDERONE ... ,APPLICATE TO : SUITABLE FOR FOLLOWING FIRE DESIGN: computer room,archives establishment, valuable articles, telecommunication center,CONSIST OF : CYLINDER , CYLINDER VALVE , PRESSURE GAUGE , DIPTUBE ...