Patent ID: 7306721

Claim:
At least one tube, being adapted for use with a fluid treatment system, comprising: an inner shell having a first bore defined by a curvilinear surface and a longitudinal axis; a plurality of conductors each having a first surface and a connection bore, and said plurality of conductors being disposed in said inner shell and being generally in engagement with said first bore; a plurality of insulation members each having a pair of end portions and an intermediate portion and being disposed in said inner shell and generally in engagement with said first bore, said intermediate portion defines a second surface, one of said pair of end portions being in mating engagement with said connection portion of one of said plurality of conductors, and another of said pair of end portions being in mating engagement with said connection portion of another of said plurality of conductors; and a channel having a pair of side walls being formed by said first surface, said second surface, and a pair of arcuate portions of said first bore, said channel adapted to pass said fluid through said inner shell.