This is the Universal Gas/Glow/Smoke Fuel Tank Stopper from Sullivan.

FEATURES: Synthetic fluoroelastomer rubber construction, black in color
          Stopper is resistant to gasoline, glow fuel, kerosene and smoke fluid
          Fits Sullivan and DuBro Tanks (not for flextanks)
          Stopper can be opened for the third line

INCLUDES: One Stopper

REQUIRES: Installation

SPECS:    Length: .48" (12mm)
          Diameter: .64" (16mm)

COMMENTS: This is the replacement stopper for the SULQ2684 stopper kit