extinguisher cylinder material:ST12(surface freatment:power painting;red;RAL3000) extinguisher cylinder material:ST12(surface freatment:power painting;red;RAL3000)Specification:1kg,2kg,3kg,4kg,5kg,6kg,8kg,9kg,10kg,12kgworking pressure:12bartest pressure:25barvalve:CE approval valves are avaliablewe produce storz/john morris /gost coupling and nozzle also ABC POWDER extinguisher