... , 12kgWorking pressure: 18Bar;Test Pressure: 27Bar;Cleint's label can be offered.Portable Co2 fire extinguisher1kg, 2kg, 3kg, 4kg, ... , 12kgWorking pressure: 174Bar;Test Pressure: 250Bar;Cleint's label can be offered.Portable Foam fire extinguisher1kg, 2kg, 3kg, 4kg,5 ... . material of Cylinder : carton steel and stainless steel3. Usage: use in factories, offices, schools, hotels, oil pump houses, filling ...