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Levoit Core 300 filter care in six steps: dust, don't wash

Remove loose dust from the outer pre-filter, never wash HEPA or carbon layers, and check the exact Core 300 manual before replacing or resetting the filter.

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Wikimedia Commons · Home Air Quality Guides (https://homeairguides.com) / Wikimedia Commons / CC BY-SA 2.0 / https://commons.wikimedia.org/wiki/File:Air_Purifier_(Levoit_Core_300)_(49317753608).jpg · CC BY-SA 2.0 ↗

Not every air-cleaner filter can be washed. This guide distinguishes pre-filter dust removal from replacement, following the older Core 300 manual and manufacturer product information. Core 300-P, 300S and regional variants may differ; the supplied manual takes priority. Air cleaning does not replace ventilation or source control.

Your try-it-at-home checklist

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1. Identify the model and power rating on its label. Never connect a US 120 V unit directly to a Korean 220 V outlet. Check the exact filter type.
2. Turn the purifier off and unplug before servicing. Stop using it and contact its maker if the cable is damaged or liquid has entered the unit.
3. Open the bottom cover as directed and lift out the filter. Gently remove loose hair and large dust particles from the outside pre-filter with a soft brush or vacuum hose.
4. Never wash, soak or scrub the HEPA and activated-carbon layers. The Core 300 manual says not to use liquids on the filter. Wipe the outer housing with a dry soft cloth.
5. Check for diminished airflow, odd smells, visible clogging and the replacement reminder. The older manual's 6–8 month interval varies by conditions and does not automatically apply to new variants.
6. Remove all protective plastic from the compatible new filter and install it correctly. Refit the cover, reset the indicator using your model's instructions and note the next inspection date.

LevoitCore 300-P Air Purifier Product Specifications ↗Official maker information, 3-stage filtration and Core 300 product-series identification; regional variants may differ.ManualzzLevoit Core 300 User Manual (reproduced) ↗Reproduced older Core 300 manual: unplug, clean pre-filter without liquids, replace HEPA/carbon, nominal 6-8 month interval.US EPAGuide to Air Cleaners in the Home ↗Air cleaning complements source control and ventilation rather than replacing them.Wikimedia CommonsAir Purifier Levoit Core 300 Photo – Licensing ↗Verified CC BY-SA 2.0, Home Air Quality Guides photo credit and homeairguides.com requested attribution.Wikimedia CommonsCommons Hotlinking Policy ↗Official Wikimedia Commons page permits direct hotlinking, distinct from file-level license.

Your try-it-at-home checklist

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