EFS / PFS (HFC227ea System)Design Standard UL 2166 / NFPA 2001 Extinguishing AgentHFC227ea Storage Pressure360psi (25bar) @ 70°F (21°C) Cylinder Test Pressure1000psi (69bar) Cylinder ValvePressure Differential Piston with Over-pressure Relief Device Release DevicesManual / Pneumatic / Electric Release ConditionCross-Zone / Manual