Filter Cartridge

1. Filter cartridge

1 . 1 : Perspective

1 . 2 : Front

1 . 3 : Top

1 . 4 : Right

The broken lines in the drawings illustrate portions of the filter cartridge which form no part of the claimed design; the back view is omitted because it is the same as the front view; the bottom view is omitted because it is the same as the top view; and the left view is omitted because it is the same as the right view.