The ornamental design for a fragrancedispenser for airfilter, as shown and described.
FIG. 1 is a perspective view showing the new design for a fragrance dispenser for air filter;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof, a left side view being a mirror image thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The portions of the fragrance dispenser for air filter in FIGS. 1 and 2 shown in broken lines are included to show features that form no part of the claimed design.