FIG. 1 is a first perspective view of an air purifier showing the claimed design in accordance with the present disclosure;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an enlarged view of an encircled portion 9 of the FIG. 1.
The broken lines in the Figures are for the purpose of illustrating portions of the article that form no part of the claimed design.
The dash-broken lines encircling portions of the claimed design that are illustrated in enlargements form no part of the claimed design.