... Effective Discharge Time(S)≤10≤10≤10Rate of Residual Extinguishing Medium(%)≤5≤5≤5Pressure of Nitrogen(MPa)1.21.21. ... 3kg,4kg,5kg,6kg,7kg,8kg,9kg2>>>Wheeled/transportable dry powder fire extinguishers 25kg,35kg3>>>Hanging/suspension type stainless steel ... fire extinguishers4kg,6kg,8kg,10kg4>>>Automatic suspension type dry powder fire extinguisher4kg.6kg,8kg,12kg5>>>Portable stainless steel fire ...