Eufy WetVac W31 has a built-in self-cleaning with an auto-drying function. When the WetVac finishes cleaning, simply place the WetVac back on the charging base, press the self-cleaning button, and the vacuum will automatically start cleaning itself. It can automatically clean and dry the rolling brush without the user having to manually clean the brush. This process will take 3 minutes and you will hear a voice prompt once the process is completed.

However, if the vacuum has cleaned stubborn stains, it is best to remove the rolling brush and manually dry the brush to avoid mildew or use the self-cleaning function several times to ensure that the rolling brush is clean.

The daily cleaning of the rolling brush can be done by the WetVac's self-cleaning. However, in order to ensure the cleaning performance of the rolling brush, it is highly recommended to remove the rolling brush and sponge filter regularly (1-2 weeks) to manually clean these accessories. It should also be noted that the sponge filter element must be completely dry before using the vacuum, otherwise, the vacuum cannot achieve its optimal cleaning performance.

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