A portable water purification system comprises a micro particle filtration device and a portable batch treatment tank, receivable together within a portable container along with an intake and hoses for interconnection therebetween. A support structure is arranged to suspend plural filter housings of the micro particle filtration device therefrom in use, while being collapsible for storage in the container also. The batch treatment tank is expandable from a stored position within the container to a usable position plural times a volume of the container. A pump for pumping water from the intake, through the filtration device and into the batch treatment tank is provided on a portable frame separate from the container. The system is thus arranged to both mechanically remove cysts in the filtration device and chemically treat batches of water in the batch treatment tank for an elapsed period of time for purifying water from a variety of sources while remaining manually portable.

 
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> PRESSURE VESSELS FOR HOLDING CYLINDRICAL FILTRATION CARTRIDGES

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