| 摘要 |
A bottle mountable filtration system typically includes a plurality of different filter elements or filtering and treatment elements having a substantially common central axis that are mounted to extend into a bottle from a cap with a manual valve. Mounting structures may be provided, by screw threads, or by an interference fit, and connect the filter treating elements to the cap. An outer filter treating element may comprise a chlorine removal primarily radial flow outer filter, and an inner treatment element comprising a flavoring, vitamin, mineral, or medication adding component including a mixing chamber which provides an axial flow chamber radially surrounded by the flavoring, etc., adding component. Conversely, the inner treatment element may be a radial flow carbon composite filter used independently or in conjunction with one of several independent outer water treatment elements which may be radial or axial flow in design for the removal of a variety of biological, organic, or inorganic contaminants.
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