The ornamental design for an airfreshenercontainer, as shown and described.
FIG. 1 is a right front perspective view of an air freshener container;
FIG. 2 is a top plan view of the air freshener container of FIG. 1;
FIG. 3 is a bottom plan view of the air freshener container of FIG. 1;
FIG. 4 is right side elevational view of the air freshener container of FIG. 1;
FIG. 5 is a left side elevational view of the air freshener container of FIG. 1;
FIG. 6 is a front elevational view of the air freshener container of FIG. 1; and,
FIG. 7 is a rear elevational view of the air freshener container of FIG. 1.
The broken lines showing portions of the air freshener container are included for the purpose of illustrating the portions of the article and form no part of the claimed design.