The ornamental design for a filtercartridge, as shown and described.
FIG. 1 is a top perspective view of a filter cartridge showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a bottom perspective view thereof.
The dot-clash broken line defines the bounds of the claimed design and form no part thereof. The dashed broken line showing of filter cartridge is for the purpose of illustrating environmental structure and forms no part of the claimed design.
Apparatus for filtering and/or conditioning and/or purifying a fluid such as water, and interface thereof for providing water boiler expansion pressure relief