FIG. 1 is a front perspective view of the vent plug with internal frangible valve, internal latches and resealable cap.
FIG. 2 is a side view of the vent plug with internal frangible valve, internal latches and resealable cap with partial cross-sectional view.
FIG. 3 is a side view thereof with a partial cross-sectional view showing the frangible valve in an open position.
FIG. 4 is a side view thereof with a partial cross-sectional view showing the frangible valve in an open position and rotation of the cap hinge.
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.