FIG. 1 is a front view from the filter module of the present invention;
FIG. 2 is a rear view of the filter module of the present invention;
FIG. 3 is a top view of the filter module of the present invention;
FIG. 4 is a first side view of the filter module of the present invention;
FIG. 5 is a second side view of the filter module of the present invention;
FIG. 6 is a bottom view of the filter module of the present invention;
FIG. 7 is a top view of an alternate embodiment of five adjacent filter modules;
FIG. 8 is a side view thereof;
FIG. 9 is the other side view thereof; and,
FIG. 10 is a bottom view thereof.
The appearance of the front and rear of the embodiment shown in FIGS. 7-10, is the same as that shown in FIGS. 1 and 2.