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perfluorohexanone gas fire extinguishing system — Wanlin, 12-year Chinese perfluorohexanone (FK-5-1-12) fire extinguishing manufacturer, WL-PF100 (Portable Perfluorohexanone Fire Extinguisher) NFPA 2001/ISO 14520/EN 15004 certified. FK-5-1-12 Clean Agent + Stored Pressure Design + 1kg/2kg/4kg/6kg Cylinders + 3.8MPa Working Pressure. OEM/ODM, factory direct p···