system INTERTEC SYSTEM 80 Liter Inertec Cylinder DN50 Cylinder Manifold Discharge Nozzle TYP 1/2” And TYP 1” Gas Extinguishing Panel Inertec Detection System Inertec Pressure Gauge Inertec Pressure Gauge With Integrated Pressure Switch Inertec Selector/Directional Valve Manual/Pneumatic Release Device For Series B0442 Optical Smoke Detector (EN-54) Pressure Reducer Unit DN50 Rate Of Rise Heat Detector (EN-54)