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Abstract

A liquid purifying porous filter and a filter assembly employing the same can significantly improve filtering performance for impurities in the drinking water, liquors, liquidous seasoning or pool water and can perform back washing while purifying operation is maintained. The filter assembly is small in size, compact and easy to handle, and achieves high performance both in senses of quality and quantity, and is capable of performing back washing while maintaining operation, is compact and is easily installed. The porous filter for purifying a liquid comprises a hollow body having an outer peripheral surface contacting with a non-purified liquid before purification and an inner periphery defining a central through opening and contacting with the non-purified liquid or a purified liquid, and a wall portion of the hollow body defined between the outer peripheral surface and the inner peripheral surface, which is formed with a plurality of through holes for flowing a liquid after purification in the axial direction.

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First Claim