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WATER TREATMENT DEVICES AND CARTRIDGES THEREFOR

  • US 20090008321A1
  • Filed: 09/12/2008
  • Published: 01/08/2009
  • Est. Priority Date: 09/18/2003
  • Status: Active Grant
First Claim
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1. A water treatment cartridge for treating water, said water treatment cartridge capable of sealingly and releasably engaging a water treatment device, said water treatment cartridge comprising:

  • (a) a housing, an inlet for introducing water into said water treatment cartridge, an outlet port disposed through said housing for egress of treated water from said water treatment cartridge, and a treatment media for treating water, said treatment media being in fluid communication with said inlet and said outlet port;

    (b) a first tube comprising an inside surface, an outside surface, a proximal end, and a distal end, wherein at least one of said inside surface and said outside surface is a sealing surface; and

    (c) a second tube comprising an inside surface, an outside surface, a proximal end, and a distal end, wherein at least one of said inside surface and said outside surface is a sealing surface;

    wherein at least a portion of said first tube or said second tube surrounds the other such that a gap is formed between said first tube and said second tube; and

    wherein said first tube extends from said housing and surrounds said outlet port such that said inside surface of said first tube is in fluid communication with said outlet port to form an uninterrupted extension of said outlet port.

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