A filter capsule apparatus comprising: a container having a substantially cylindrical wall and portions defining a bottom end; a top cap secured to a top end of the container , wherein the combination of the substantially cylindrical wall, the bottom end and the top cap defines a filter chamber having a top chamber end and a bottom chamber end; a cylindrical filter secured in the chamber, wherein an annular space is defined by the inner surface of the substantially cylindrical wall and an exterior surface of the filter , wherein the annular space extends uninterrupted the entire axial length of the filter , and wherein heated fluid is permitted to enter the filter radially inwardly along the axial length of the filter from the annular space; a plurality of ports including an inlet port and an outlet port extending from the top cap , and, characterized in that the filter capsule apparatus further comprises a transfer tube having an elongate cylindrical wall connected along its length to, and extending along a substantial length of, the container wall, wherein a portion of the tube wall along its axial length is integral with, or registered against, the container wall, wherein a fluid receiving first end is secured to, and in fluid communication with, the inlet port and a fluid delivery second end is secured in close proximity to the bottom of the container , wherein the second end is in fluid communication with the bottom chamber end, whereby when heated fluid is introduced into the filter capsule, it enters through the inlet port , travels downwardly inside the transfer tube , exits the transfer tube second end into the bottom chamber end, flows upwardly in the annular space of the filter chamber, is filtered by the filter , flows out of the filter and exits the filter capsule apparatus via the outlet port . a container having a substantially cylindrical wall and portions defining a bottom end; a top cap secured to a top end of the container , wherein the combination of the substantially cylindrical wall, the bottom end and the top cap defines a filter chamber having a top chamber end and a bottom chamber end; a cylindrical filter secured in the chamber, wherein an annular space is defined by the inner surface of the substantially cylindrical wall and an exterior surface of the filter , wherein the annular space extends uninterrupted the entire axial length of the filter , and wherein heated fluid is permitted to enter the filter radially inwardly along the axial length of the filter from the annular space; a plurality of ports including an inlet port and an outlet port extending from the top cap , and, characterized in that the filter capsule apparatus further comprises a transfer tube having an elongate cylindrical wall connected along its length to, and extending along a substantial length of, the container wall, wherein a portion of the tube wall along its axial length is integral with, or registered against, the container wall, wherein a fluid receiving first end is secured to, and in fluid communication with, the inlet port and a fluid delivery second end is secured in close proximity to the bottom of the container , wherein the second end is in fluid communication with the bottom chamber end, whereby when heated fluid is introduced into the filter capsule, it enters through the inlet port , travels downwardly inside the transfer tube , exits the transfer tube second end into the bottom chamber end, flows upwardly in the annular space of the filter chamber, is filtered by the filter , flows out of the filter and exits the filter capsule apparatus via the outlet port . <EOS>