... 0.50Fire-fighting Level1A 21B1A 21B1A 21BMinimum Effective Discharge Time(S)≤10≤10≤10Rate of Residual Extinguishing Medium(%)≤5≤5≤ ... 1.07≥1.13Our main products:1>>>Portable stored-pressure dry powder dry extinguishers 1kg,2kg,3kg,4kg,5kg,6kg,7kg,8kg ... stainless steel fire extinguishers4kg,6kg,8kg,10kg4>>>Automatic suspension type dry powder fire extinguisher4kg.6kg,8kg,12kg5>>>Portable stainless steel ...