| 摘要 |
PROBLEM TO BE SOLVED: To purify an object to be filtered without being mixed with chemicals or the like. SOLUTION: A casing 4 is attached to the main body 2 of a water purifier 1 in a freely detachable manner and first - third cartridges 7, 8, 10 are housed in the casing 4 in a connected state and flow passages 11 is formed between the side surfaces of the cartridges 7, 8, 10 and the casing 4. A filter member 21 having a large number of small holes is connected to a third cartridge 10 and first - third ceramics 31-33 are housed in the first - third cartridges 7, 8, 10 so that tap water passes through the first - third ceramics 31-33 in the cartridges 8, 9, 10 successively. A main raw material of the first ceramics 31 is constituted of bentonite and a main raw material of the second ceramics is constituted of an iron oxide type substance and a main raw material of the third ceramics 33 is constituted of calcium phosphate.
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