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The ornamental design for an air cleaning system unit, as shown and described. |
FIG. 1 is an environmental front view, with the rear view being a mirror image, of an air cleaning system unit showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a front cross-sectional view thereof taken along line 6--6 in FIG. 4.
The broken line showing of the motor, the blower, and the vents is for illustrative purposes only, merely disclosing structure which may be used with the air cleaning system, and forms no part of the claimed design.
The top and side pipes have been shown broken-away to indicate indeterminate length.
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