The ornamental design for an filterhousing, as shown and described.
FIG. 1 is a front left top front perspective view of a first embodiment of the filter housing, the characteristic feature of which resides in circular cutouts on upper fins.
FIG. 2 is a right bottom rear view of the first embodiment of the filter housing in a first position.
FIG. 3 is a right bottom rear view of the first embodiment of the filter housing in a second position.
FIG. 4 is a top elevation view of the first embodiment of the filter housing.
FIG. 5 is a bottom elevational view of the first embodiment of the filter housing.
FIG. 6 is a left elevational view of the first embodiment of the filter housing.
FIG. 7 is a right elevational view of the first embodiment of the filter housing.
FIG. 8 is a front elevational view of the first embodiment of the filter housing; and,
FIG. 9 is a rear elevational view of the first embodiment of the filter housing.
The broken lines depict portions of the filter housing that form no part of the claim.