The ornamental design for a ionizerunit and frame, as shown and described.
FIG. 1 is a front isometric view of an ionizer unit and frame of the present invention;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevation view thereof, the left side elevation view being a mirror image; and,
FIG. 6 is a rear elevation view thereof.
The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.