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A bottled water filtration system for use with a water bottle, the system having a bottle cap, a nozzle formed in a first side of the bottle cap, a porous filter housing formed on a second side of the bottle cap, and a filter material located inside the porous filter housing, wherein the cap, nozzle

A bottled water filtration system for use with a water bottle, the system having a bottle cap, a nozzle formed in a first side of the bottle cap, a porous filter housing formed on a second side of the bottle cap, and a filter material located inside the porous filter housing, wherein the cap, nozzle and filter housing are formed as an integrated unit, which can be attached and removed from a water bottle as a unit. The system is preferably used with a disposable plastic water bottle. Additionally, the system may include a rotatable counter for keeping track of the number of effective uses remaining in the filter system. Also, a one-way air valve may be included to prevent “backwash.”

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1. A water filtration system for use with a bottled water container, the system comprising: a bottle cap;a nozzle formed in a first side of the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of

1. A water filtration system for use with a bottled water container, the system comprising: a bottle cap;a nozzle formed in a first side of the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of the bottle cap; anda filter located inside the porous filter housing, wherein the filter comprises a sachet filled with carbon granules, the sachet having an extended lip on a first end, and;wherein the cap, nozzle, filter housing, and filter form an integrated unit, which can be attached and removed from a water bottle as a unit. 2. The water filtration system of claim 1, wherein the filter housing is formed as a cylinder with a plurality of holes. 3. The water filtration system of claim 1, wherein the filter housing is formed as a cylinder having a plurality of slots. 4. The water filtration system of claim 1, wherein the filter housing further comprises a rotating counter. 5. The water filtration system of claim 1, wherein the filter housing further comprises a one-way air valve. 6. A disposable bottled water storage and filtration system, comprising: a plastic water bottle having a threaded opening;a bottle cap having threads to attach to the threaded opening of the water bottle;a nozzle formed in a first side of the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of the bottle cap; anda filter located inside the porous filter housing, wherein the filter consists of a sachet filled with carbon granules, the sachet having an extended lip on a first end;wherein the cap, nozzle, filter housing, and filter form an integrated unit, which can be attached and removed from the water bottle as a unit. 7. The bottled water storage and filtration system of claim 6, wherein the filter housing is formed as a cylinder with a plurality of holes. 8. The bottled water storage and filtration system of claim 6, wherein the filter housing is formed as a cylinder having a plurality of slots. 9. The bottled water storage and filtration system of claim 6, wherein the filter housing further comprises a rotating counter. 10. The bottled water storage and filtration system of claim 6, wherein the filter housing further comprises a one-way air valve. 11. A disposable bottled water storage and filtration system, comprising: a flexible plastic water bottle having a threaded opening;a bottle cap having threads to attach to the threaded opening of the water bottle;a nozzle formed in a first side of the bottle cap;a nozzle lid formed on top of the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of the bottle cap, the filter housing formed as a cylinder and comprising slots;a filter located inside the porous filter housing, wherein the filter comprises a sachet filled with carbon granules, the sachet having an extended lip on a first end; anda rotating counter attached to the porous filter housingwherein the cap, nozzle, nozzle lid, filter, filter housing and rotating counter form an integrated unit, which can be attached and removed from the water bottle as a unit. 12. The bottled water storage and filtration system of claim 11, wherein the filter housing further comprises a one-way air valve. 13. A water filtration system for use with a bottled water container, the system comprising: a bottle cap;a nozzle formed in a first side of the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of the bottle cap; anda filter located inside the porous filter housing, wherein the filter comprises a thimble-shaped filter formed with nanoalumina fibers having an extended lip on a first end; andwherein the cap, nozzle, filter housing, and filter form an integrated unit, which can be attached and removed from a water bottle as a unit. 14. The water filtration system of claim 13, wherein the filter housing is formed as a cylinder with a plurality of holes. 15. The water filtration system of claim 13, wherein the filter housing is formed as a cylinder having a plurality of slots. 16. The water filtration system of claim 13, wherein the filter housing further comprises a rotating counter. 17. The water filtration system of claim 13, wherein the filter housing further comprises a one-way air valve. 18. A disposable bottled water storage and filtration system, comprising: a plastic water bottle having a threaded opening;a bottle cap having threads to attach to the threaded opening of the water bottle;a nozzle formed in a first side of the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of the bottle cap; anda filter located inside the porous filter housing, wherein the filter comprises a thimble-shaped filter formed with nanoalumina fibers, the thimble-shaped filter having an extended lip on a first end;wherein the cap, nozzle, filter housing, and filter form an integrated unit, which can be attached and removed from the water bottle as a unit. 19. The bottled water storage and filtration system of claim 18, wherein the filter housing is formed as a cylinder with a plurality of holes. 20. The bottled water storage and filtration system of claim 18, wherein the filter housing is formed as a cylinder having a plurality of slots. 21. The bottled water storage and filtration system of claim 18, wherein the filter housing further comprises a rotating counter. 22. The bottled water storage and filtration system of claim 18, wherein the filter housing further comprises a one-way air valve. 23. A disposable bottled water storage and filtration system, comprising: a flexible plastic water bottle having a threaded opening;a bottle cap having threads to attach to the threaded opening of the water bottle;a nozzle formed in a first side of the bottle cap;a nozzle lid formed on the bottle cap;a porous filter housing comprising a first end and a second end, wherein the first end of the porous filter housing attaches to a second side of the bottle cap, the filter formed as a cylinder and comprising slots;a filter located inside the porous filter housing, wherein the filter comprises a thimble-shaped filter formed with nanoalumina fibers, the thimble-shaped filter having an extended lip on a first end; anda rotating counter attached to the porous filter housing;wherein the cap, nozzle, nozzle lid, filter, filter housing and rotating counter form an integrated unit, which can be attached and removed from the water bottle as a unit. 24. The bottled water storage and filtration system of claim 23, wherein the filter housing further comprises a one-way air valve.