We claim the ornamental design for a dome shaped flow through cap, as shown and described.
FIG. 1 is a side perspective view showing the dome shaped flow through cap;
FIG. 2 is a first side view thereof;
FIG. 3 is a second side view thereof;
FIG. 4 is a top view thereof; and,
FIG. 5 is a bottom view thereof.
The surface shading is for purposes of illustrating the contour and appearance of the claimed surfaces upon which it is illustrated. The broken lines are used to show unclaimed portions of the invention and form no part of the claimed design.