Portable Dry Powder Fire Extinguisher,1kg-12kg,material:carbon steel,stainless steel,aluminium,working pressure:1.2Mpa Portable Dry Powder Fire Extinguisher :Main Type:1kg/2kg/3kg/4kg/5kg/6kg/8kg/9kg/10kg/12kgWorking Pressure:1.2MpaTest Pressure:2.1MpaEffective Discharge Time:≥8s,≥9s,≥13s,≥15sBulk Range:≥3m,≥3.5m,≥4.5m,≥5mRate of Residual Extinguisher Medium:≤15%