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PERFECT COMPATIBILITY -- Our Core 400S replacement filter is compatible with LEVOIT Core 400S Smart WiFi Air Purifier, Core 400S-RF-SR. Please check your model before making an order
4-IN-1 FILTRATION- Our Core 400S Smoke Remover replacement filter features 4-Stage Filtration System: ①②Dual-Sided Pre-Filter ③HEPA Filter ④Activated Carbon Filter. It's more effective against ash and pollution spread by wildfire smoke
HIGH PERFORMANCE-These Core 400S-P VortexAir air filter are capable of attaching 99.97% of airborne substance as small as 0.3 microns, and the premium activated carbon filter helps provide greater protection against ash, smoke, and toxic chemical compounds during wildfire season
Warm Maintenance Tip -- To keep your Core 400S air purifier running at high performance, it is recommended to replace the Core 400S-RF air filter every 6-8 months, also depending on your frequency of use
CUSTOMER HAPPINESS -- If you have any questions about the Core 400S-RF-PA (LRF-C401-YUS) replacement filter, please feel free to contact us, we are committed to offering high-quality products and providing efficient customer service. Filter made of FSC-Certified paper