This 19kg gas?cylinder?is designed and bult with brass valves which makes the gas cylinder to be strong,durable and ensures no leakage from the entire body of the product.it is made of high quality reinfored metal and has passed the rigorous quality test carried out by standard organization of Nigeria(SON)it is accepted in every cooking gas stations and gas vendor.with this your cooking gas will last more than the normal 12.kg gas cylinder because it contains more.Comes with stainless table gas, 6 yards hose and clips