Vial and tube rack

FIG. 1 is a top perspective view of a vial and tube rack showing a first embodiment of our new and ornamental design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is an opposite side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a top perspective view of a vial and tube rack showing a second embodiment of our new and ornamental design;

FIG. 10 is a side elevation view thereof;

FIG. 11 is an opposite side elevation view thereof;

FIG. 12 is a front elevation view thereof;

FIG. 13 is a rear elevation view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is a bottom perspective view thereof.

The broken lines in the drawings depict portions of the vial and tube rack that form no part of the claimed design.