portable CO2 fire extinguisher fire fighting

extnguisher 1.high quality and standard 2.can put out fire with B,C,E class TYPE 4KG 4.5KG 5KG 6KG 7KG 9KG Out-diameter(mm) 152 152 152 152 152 159 Volume (L) 6 6.8 7.5 9 10.5 13.5 Cylinder Lengthmm 465 515 560 665 750 860 Cylinder weight (KG) 10 10.5 11.5 13.2 14.8 17.5 Extinguisher weight(KG) 15.5 16.5 18.7 21 24 29 Filling weight(KG) 4 4.5 5 6 7 9 Temperature Range() -20 to 60 -20 to 60- -20 to 60 -20 to 60 -20 to 60 -20 to 60 Max Working Pressure (Bar) 174 174 174 174 174 174 Test Pressure (Bar) 250 250 250 250 250 250 MIN Wall-thickness (mm) 5 5 5 5 5 5 Material CK45 CK45 CK45 CK45 CK45 CK45 Fire Class (B) 70 70 89 89 113 113 Packing Size (cm) 21*17*60 21*17*65 21*17*71 21*17*79 21*17*89 22*18*96 TYPE 2KG 3KG Out-diameter 114mm 133mm Volum 3L 4.5L Cylinder length 415mm 445mm Cylinder weight 5.2KG 7.2KG Extinguisher weight 8.1KG 11.2KG Filling weight 2KG 3KG Temperature range -20to60 -20to60 Test pressure 174Bar 174Bar Min wall-thickness 4mm 4.5mm Material CK45 CK45 Fire class 34B 34B Packing size 17cm*13cm*55cm 18cm*15cm*54cm