Filter for an Aquarium

FIG. 1 is a front, right and perspective view of a filter for an aquarium, showing my new design;

FIG. 2 is a rear, left and top bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of the section of the filter for an aquarium thereof, taken along line 9 - 9 in FIG. 1 ;

FIG. 10 is a perspective view of the filter for an aquarium thereof, shown in a separated state;

FIG. 11 is a perspective view of the section of the fiter for an aquarium thereof, taken along line 11 - 11 in FIG. 10 ;

FIG. 12 is a perspective view of the filter for an aquarium thereof, shown with additional environment; and,

FIG. 13 is a perspective view of the section of the filter for an aquarium thereof, taken along the line 13 - 13 in FIG. 12 .

The broken lines shown in FIG. 12 - 13 are included for the purpose of illustrating environmental structure and form no part of the claimed design.