Cleaning and maintaining the Pre-Filter is an important step to keep the air purifier operating efficiently. The following are the cleaning and maintenance methods for the pre-filter of **LEVOIT Core 300/300S** or similar models:
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### Cleaning steps: **
1. Remove the pre-filter
Turn off the air purifier, open the filter compartment cover and remove the pre-filter.
If the pre-filter is integrated with a HEPA or activated carbon filter screen, it should be carefully separated in accordance with the instructions.
2. ** Clean the pre-filter: **
- ** Vacuum cleaning: ** Use a vacuum cleaner (it is recommended to use a low-end or soft-bristled brush accessory) to gently remove dust and large particles from the surface of the pre-filter.
- ** Washing (if applicable) : **
Some pre-filters can be washed with water. Gently rinse the pre-filter with warm water (avoid using hot water or strong detergent).
Gently scrub to remove stubborn dust or hair.
Rinse thoroughly to ensure there is no residual detergent.
- ** Natural air-drying: **
Place the pre-filter in a cool and well-ventilated area to dry completely (avoid direct sunlight or high-temperature drying).
Make sure the pre-filter is completely dry before reinstalling the purifier.
3. ** Check the pre-filter: **
If the pre-filter is damaged, deformed or severely worn, it is recommended to replace the filter screen with a new one instead of continuing to use it.
4. Reinstall the pre-filter
Reinstall the dry pre-filter into the purifier, ensuring it is securely installed and well sealed.
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### Maintenance suggestions: **
1. Regular cleaning
It is recommended to clean the pre-filter every 1 to 2 months. The specific frequency depends on the usage environment and air quality (for example, pet homes or dusty environments require more frequent cleaning).
2. ** Avoid excessive cleaning: **
Do not frequently wash the pre-filter with water to avoid damaging the filter screen structure or reducing the filtration effect.
3. ** Timely replacement: **
Even if the pre-filter can be cleaned, it should be replaced once a year to ensure filtration efficiency and air quality.
4. Keep the purifier clean
Regularly clean the casing and filter compartment of the purifier to prevent dust accumulation from affecting performance.
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** Notes: **
- ** Do not use bleach or strong acidic/alkaline cleaners ** to avoid damaging the pre-filter.
Avoid wring out forcefully or machine washing, as this may damage the structure of the filter screen.
Make sure the pre-filter is completely dry before reinstalling it; otherwise, it may lead to mold growth or affect the performance of the purifier.
By properly cleaning and maintaining the pre-filter, its service life can be prolonged, while keeping the air purifier running efficiently and providing your family with healthier air quality.