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    Philips Support

    When should I replace my Philips Air Humidifier’s filters?

    Updated on 2021-07-04

    Your Philips Air Humidifier is equipped with an alert that indicates when a filter needs to be replaced. You should replace the filters in your humidifier as soon as you see the alert

    Usually, you should replace the filter every three months. If the filter is still in good condition, you could use it for a longer period of time, but we strongly recommend you to replace it at least once a year.

    The information on this page applies to the following models: HU4804/41 , HU4804/40 , HU4805/40 .

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