... KGS certificate 12kg dry powder fire extinguisher carbon steel cylinder with the hose Different kinds of weight fire extinguisher,this is 12kg ... ,we aslo have other kinds,like 450g,500g,1kg...This kind is made of dry powder ... of carbon steel cylinder,and filled with dry powder.Aslo we can change it into other materials ... of our products. 12 kg dry powder fire extinguisher