| 摘要 |
PROBLEM TO BE SOLVED: To provide a water cleaner in which the enhanced effect of water quality and the deterioration of the water cleaning performance can be easily confirmed. SOLUTION: The quality of the raw water before it is made to pass through a reverse osmosis membrane filter or the like and the quality of the purified water after it is made to pass through the reverse osmosis membrane filter or the like are respectively detected and the detected results are changeably displayed on a display part 21 according to user's operation of a changeover part 22.
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