... 6kg, 9kg, 12kgWorking pressure: 18Bar;Test Pressure: 27Bar;Cleint's label can be offered.Portable Co2 fire extinguisher1kg, 2kg, 3kg ... , 6kg, 9kg, 12kgWorking pressure: 174Bar;Test Pressure: 250Bar;Cleint's label can be offered.Portable Foam fire extinguisher1kg, 2kg, 3kg ... and nozzle and quick valve and handing clamp2. material of Cylinder : carton steel and stainless steel3. Usage: use in factories, ...