The ornamental design for an airfiltrationmodule, as shown and described.
FIG. 1 is an upper perspective view of an embodiment of an air filtration module;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a front view thereof; and,
FIG. 8 is a rear view thereof.
The broken lines shown in the figures are for the purpose of illustrating portions of the air filtration module and form no part of the claimed design.