CO2 Fire Extinguisher Specifications Product nameCO2 Fire Extinguisher ModelBW33-01BW33-02BW33-03BW33-04BW33-05 Capacity10kg25kg30kg45kg50kg Out-Diamter( mm)152219232267219 Cylinder Height(mm)10251330137015131330 Volume(L)1537.5467080 GrossWeight(kg)30.592117130207 Cylinder MeterialCK4537Mn37Mn37Mn37Mn Max Working Pressure(bar)174174174174174 Test Pressure(bar)250250250250250 Temperature Range-20℃~+60℃ Fire Rate183B183B233B233B233B Packing Size(cm)30*30*12047*93*15062*50*112156*47 .5*67123*62* 132