These 3 Gallon Stainless Steel Ball Lock Kegs (aka Pepsi Kegs or Cornelius Kegs) are suitable for small refrigerators or on the road. The ball-lock fittings are easy to access, making cleaning very simple. These soda kegs meet NSDA voluntary standards and are NSF (National Sanitation Foundation) approved. The lid fastens tightly to the body and has a pull-ring style pressure release valve to easily depressurize the keg. Working pressure must not exceed 130 P.S.I.G.