US D353198 S
FIG. 1 is a perspective view of a gas flow controller, showing our new design;
FIG. 2 is a top plan view;
FIG. 3 is a left side elevational view;
FIG. 4 is a left end elevational view;
FIG. 5 is a right side elevational view;
FIG. 6 is a right end elevational view; and,
FIG. 7 is a bottom plan view.