The ornamental design for a sonic absorbent and airfilter panel, as shown and described.
FIG. 1 is a perspective view of a sonic absorbent and air filter panel showing the front surface of the panel as black;
FIG. 2 is a rear perspective view of the sonic absorbent and air filter panel of FIG. 1 showing the rear surface of the panel as black;
FIG. 3 is a front perspective view of a further embodiment of the sonic absorbent and air filter panel having an upper concave bend with the front surface as black
FIG. 4 is a rear perspective view a sonic absorbent and air filter panel having a lower surface bend with the front surface as black;
FIG. 5 is a left side view of the panel of FIG. 1;
FIG. 6 is a top view of the panel of FIG. 1;
FIG. 7 is a rear view of the panel of FIG. 1 which is a mirror image of the front view;
FIG. 8 is a bottom view of the panel of FIG. 1 with the left side of the panel on the right side of FIG. 8;
FIG. 9 is a front perspective view of two panels of FIG. 1 horizontally joined to provide a larger horizontal extension joined composite panel; and
FIG. 10 is a front perspective view of two panels of FIG. 1 juxtaposed to provide an increased thickness sonic absorbent and filter panel; and,