Dual-Ended Cartridge

A water filter cartridge, comprising:

• a main body comprising a centered major axis, an attachment end, an outer surface, and a cap end,
• the attachment end comprising an inlet boss offset from the centered major axis, a locating lug offset from the centered major axis, and a core cutout offset from the centered major axis, and
• the outer surface comprising:
• a first front pair of positioning features configured as L-shaped flanges and aligned radially about the centered major axis;
• and
• a second front pair of positioning features configured as guide blocks and axially-aligned with the first front pair of positioning features;
• a core assembly inserted through the main body, the core assembly comprising:
• a filter core configured to direct filtered water towards an outlet boss, and the outlet boss is positioned to protrude away from the core cutout;
• and
• an end cap connected to the cap end, the end cap comprising a third front positioning feature configured as an L-shaped flange, the third front positioning feature axially-aligned with the second pair of front positioning features.

A dual-ended cartridge, comprising:

• a main body comprising a centered major axis, an attachment end, an outer surface, and a cap end,
• wherein the attachment end comprises:
• an inlet boss offset from the centered major axis,
• a locating lug offset from the centered major axis, and
• a core cutout offset from the centered major axis, and
• wherein the outer surface comprises:
• a first front pair of positioning features configured as L-shaped flanges, and
• a second front pair of positioning features configured as guide blocks and axially aligned with the first front pair of positioning features, and
• a core assembly inserted through the main body, the core assembly comprising:
• an outlet boss;
• and
• a filter core configured to guide filtered water to the outlet boss;
• and
• an end cap attached to the cap end.