User Manual Q&AAnswer
Mar 06, 2025 - 01:23 AM
The pre-filter of the Levoit EverestAir Smart True HEPA Air Purifier should be cleaned every 2-4 weeks to increase efficiency and extend the life of the filter. You can clean the pre-filter by using a soft brush or vacuum hose to remove hair, dust, and large particles. Optionally, you can wash the pre-filter with water to remove dirt and dust. Avoid scrubbing, scraping, or vigorously brushing the pre-filter, and do not use abrasive cleaning materials. After cleaning, allow the pre-filter to air-dry completely before placing it back into the air purifier.
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