A filter capsule apparatus (10 V) comprising: a shell having a shell wall (12 V), wherein the shell wall has a top end and a bottom end; a bottom cap (16 V) secured to the bottom end of the shell wall (12 V); a top cap (14 V) secured to the top end of the shell wall (12 V), wherein the combination of the shell wall, the bottom cap and the top cap define a filter chamber, wherein the filter chamber has a chamber bottom end proximal to the bottom cap; at least one filter cartridge secured in the chamber bottom end, wherein the at least one filter cartridge defines at least one downstream outlet core; a plurality of ports including an inlet port (24 V) and an outlet port (26 V) extending from a top end of the top cap (14 V); characterized by: an outlet transfer tube secured in the chamber to the top cap (14 V) away from the shell wall (12 V) and extending downwardly a portion of the length of the shell wall; wherein the transfer tube is connected to, and in fluid communication with, the outlet port (24 V) at a top end, and is connected to, and in fluid communication with, the at least one downstream outlet core at a bottom end; a porous media boundary sheet having a boundary sheet perimeter, wherein the boundary sheet perimeter is secured along its entire length to the shell wall above the at least one filter cartridge and attached about the outlet transfer tube, wherein the combination of the media boundary sheet, outer surface of the outlet transfer tube, inner surface of the shell wall and the top cap form a particulate filter media chamber separate from the bottom end of the filter chamber where the at least one filter cartridge is secured, wherein the porous media boundary sheet permits the passage of liquids and/or gases; and, particulate media secured in the particulate filter media chamber. a shell having a shell wall (12 V), wherein the shell wall has a top end and a bottom end; a bottom cap (16 V) secured to the bottom end of the shell wall (12 V); a top cap (14 V) secured to the top end of the shell wall (12 V), wherein the combination of the shell wall, the bottom cap and the top cap define a filter chamber, wherein the filter chamber has a chamber bottom end proximal to the bottom cap; at least one filter cartridge secured in the chamber bottom end, wherein the at least one filter cartridge defines at least one downstream outlet core; a plurality of ports including an inlet port (24 V) and an outlet port (26 V) extending from a top end of the top cap (14 V); an outlet transfer tube secured in the chamber to the top cap (14 V) away from the shell wall (12 V) and extending downwardly a portion of the length of the shell wall; wherein the transfer tube is connected to, and in fluid communication with, the outlet port (24 V) at a top end, and is connected to, and in fluid communication with, the at least one downstream outlet core at a bottom end; a porous media boundary sheet having a boundary sheet perimeter, wherein the boundary sheet perimeter is secured along its entire length to the shell wall above the at least one filter cartridge and attached about the outlet transfer tube, wherein the combination of the media boundary sheet, outer surface of the outlet transfer tube, inner surface of the shell wall and the top cap form a particulate filter media chamber separate from the bottom end of the filter chamber where the at least one filter cartridge is secured, wherein the porous media boundary sheet permits the passage of liquids and/or gases; and, particulate media secured in the particulate filter media chamber.