If the flow rate slows down too much, it’s time to replace the filters. The white filters should be changed regularly. The thick gray filter lasts longer. The service life of the filters depends on the level of water contamination passing through them.
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The filters should be replaced when the flow rate has slowed down too much. The white filters require regular replacement, while the thick gray filter has a longer service life. The actual replacement interval depends on the level of contamination in the water passing through the filters, so the flow rate and the condition of the filters should be used to determine when replacement is needed.