The design is an end cap for a chromatography column assembly.
FIG. 1 is a perspective view of a chromatography column end cap showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 3;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.