US D420094 S
Abstract available in
FIG. 1 is a front perspective view of the block filter embodying the new design;
FIG. 2 is a front elevational view thereof; the rear elevational view being the same as FIG. 2;
FIG. 3 is a left side elevational view thereof; the right side elevational view being the same as FIG. 3;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a top plan view thereof.