FIG. 1 is a front, top, and left side perspective view of an ionizer;
FIG. 2 is a front, bottom, and right side perspective view thereof;
FIG. 3 is a front, bottom, and left side perspective view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a left side elevational view thereof;
FIG. 9 is a right side elevational view thereof;
FIG. 10 is an enlarged front view of area 10 circumscribed within FIG. 4;
FIG. 11 is an enlarged bottom view area 11 circumscribed within FIG. 7;
FIG. 12 is an enlarged left side elevational view thereof;
FIG. 13 is an enlarged front, bottom, and right side perspective view of area 13 circumscribed within FIG. 2; and,
FIG. 14 is an enlarged front, bottom, and left side perspective view of area 14 circumscribed within FIG. 3.
The broken lines and areas within them adjacent to solid lines and shaded elements depict portions of the ionizer that form no part of the claimed design. The dot dash dot broken lines in the drawings denote the boundaries of the detail areas and form no part of the claimed design.