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Abstract

A personal, portable drinking container has a bottle with a neck, a reservoir, and a top opening in the neck providing access to the reservoir. A cap is removably fitted on the neck to close the opening. A filter assembly is provided in the bottle and carries a filter media with a finite useful life. An indicator can be provided on part of the drinking container and set by a user to indicate a parameter relevant to the useful life. The filter assembly can have a cage connectable to the container. The filter media can be in the cage and the indicator can be on the cage or the bottle. The filter media can be cylindrical with an open center and have a pleated layer of non-woven, cellulose material and a film layer of non-woven fabric material. The filter assembly can be capable of a liquid flow rate of at least about 15 ml/sec passing through the filter media.

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First Claim