Patent ID: 8449770

Claim:
A multi-purpose water filter cartridge assembly comprising: a manifold integration board having: a first set of manifold holes and a second set of manifold holes formed in a top of the manifold integration board, wherein each one of the first and second sets of manifold holes is composed of an inlet, a first outlet and a second outlet, the first outlet of the first set of manifold holes communicates with the inlet of the second set of manifold holes through a connection hole formed inside the manifold integration board; four sets of cartridge connection holes, each set of cartridge connection holes composed of an outlet, a first inlet and a second inlet, wherein the first inlets and the second inlets of two sets of the four sets of cartridge connection holes respectively communicate with the first outlet and the second outlet of the first set of manifold holes and the inlets of the two sets of cartridge connection holes communicate with the outlet of the first set of manifold holes through connection holes inside the manifold integration board, the first inlets and the second inlets of the other two sets of cartridge connection holes respectively communicate with the first outlet and the second outlet of the second set of manifold holes and the inlets of the other two sets of cartridge connection holes communicate with the outlet of the second set of manifold holes through connection holes formed inside the manifold integration board; and at least one filter cartridge mounted in a bottom of the manifold integration board, each one of the at least one filter cartridge having an inlet nozzle, a first outlet nozzle and a second outlet nozzle respectively inserted in the outlet, first inlet and second inlet of a corresponding set of cartridge connection holes.