US D311947 S
FIG. 1 is a perspective view showing a filter cartridge for clarifying, sterilizing or concentrating fluid feedstock showing our new design;
FIG. 2 is a side elevational view thereof, the other side being a mirror image;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof; and
FIG. 5 is a top plan view thereof, the rear view being a mirror image.