FIG. 1 is a front perspective view of a pendant ionizer showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a back perspective view thereof;

The broken line portions of the pendant ionizer form no part of the claimed design.