FIG. 1 is a perspective view of the first embodiment thereof, with dotted lines indicating a filter element of indefinite length;
FIG. 2 is a side view thereof (the view is the same from all sides thereof with the dotted lines indicating a filter element of indefinite length);
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is an exploded perspective view thereof, with the dotted lines indicating a filter element of indefinite length;
FIG. 6 is a perspective view of a second embodiment thereof, with dotted lines indicating a filter element of indefinite length;
FIG. 7 is a front view thereof (the rear view is a mirror-image thereof with the dotted lines indicating a filter element of indefinite length);
FIG. 8 is a top view thereof;
FIG. 9 is a bottom view thereof; and,
FIG. 10 is an exploded perspective view thereof, with the dotted lines indicating a filter element of indefinite length.
The dotted and dashed lines form no part of the claimed design.
Connective lines for the exploded views are shown as the long-short-long dashed lines in FIGS. 5 and 10.
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