FIG. 1 is a front-side perspective view of a first embodiment of a filtration rack showing my new design.
FIG. 2 is a front-side elevation view thereof.
FIG. 3 is a back-side elevation view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a front-side perspective view of a second embodiment of the filtration rack showing my new design.
FIG. 7 is a front-side elevation view thereof.
FIG. 8 is a back-side elevation view thereof.
FIG. 9 is a top plan view thereof.
FIG. 10 is a bottom plan view thereof.
FIG. 11 is a front-side perspective view of a third embodiment of the filtration rack showing my new design.
FIG. 12 is a front-side elevation view thereof.
FIG. 13 is a back-side elevation view thereof.
FIG. 14 is a top plan view thereof; and,
FIG. 15 is a bottom plan view thereof.
The broken lines in the drawings depict portions of the filtration rack that form no part of the claimed design.