FIG. 1 is an isometric view of a filter frame for a dust removal and prevention device according to the present invention;
FIG. 2 is a front elevation view of the filter frame of FIG. 1;
FIG. 3 is a side elevation view of the filter frame of FIG. 1;
FIG. 4 is a rear elevation view of the filter frame of FIG. 1;
FIG. 5 is a top plan view of the filter frame of FIG. 1;
FIG. 6 is an opposite side elevation view of the filter frame of FIG. 1; and,
FIG. 7 is a bottom plan view of the filter frame of FIG. 1.
The dash dot lines immediately adjacent to the claimed areas in the views represent the boundaries of the claimed design. The dashed lines in the figures illustrate the portions of the design that form no part of the claimed design. None of the broken lines form any part of the claimed design.