The ornamental design for an airfiltrationmodule, as shown and described.
FIG. 1 is a perspective view of an air filtration module showing our new design;
FIG. 2 is a front view of the air filtration module;
FIG. 3 is a rear view of the air filtration module;
FIG. 4 is a right side view of the air filtration module;
FIG. 5 is a left side view of the air filtration module;
FIG. 6 is a top view of the air filtration module; and,
FIG. 7 is a bottom view of the air filtration module.
The broken lines showing in the figures are included for the purpose of illustrating portions of the air filtration module that form no part of the claimed design. The dash-dot lines showing in the figures are included for defining the bounds of the claimed design that form no part thereof.