Combined filter element and frame therefor

FIG. 1 shows a perspective view of a first embodiment of a filter apparatus, according to the present invention;

FIG. 2 shows a top plan view thereof, a bottom plan view not being shown as it is a mirror image of the top plan view;

FIG. 3 shows a front elevational view thereof, a rear elevational view not being shown as it is a mirror image of the front elevational view;

FIG. 4 shows a right side elevational view thereof, a left side elevational view not being shown as it is a mirror image of the right side elevational view;

FIG. 5 shows a perspective view of a second embodiment of a filter apparatus, according to the principles of the present invention;

FIG. 6 shows a top plan view thereof, a bottom plan view not being shown as it is a mirror image of the top plan view;

FIG. 7 shows a front elevational view thereof, a rear elevational view not being shown as it is a mirror image of the front elevational view; and,

FIG. 8 shows a right side elevational view thereof, a left side elevational view not being shown as it is a mirror image of the right side elevational view.