GENUINE REPLACEMENT FILTERS: For the best performance and longest lifespan, use genuine Levoit replacement filters. Use the in-app feature to monitor your filter life. ,EFFECTIVE PURIFICATION: The compact frame and 360° design help the Core 200S / Core 200S-P purify the air wherever you put it, refreshing the air 5x per hour in rooms as large as 183 ft² / 17 m². The optimal air cleaning performance can only be delivered by powerful motors installed on products over 6 pounds, Operating Conditions Temperature: 14°–104°F / -10°–40°C,IMPROVED FILTRATION: While the ultra-fine Nylon Pre-Filter and High-Efficiency Activated Carbon Filter capture large particles and absorb odors and fumes, the efficient filter of the 3-in-1 filter removes at least 99.97% of dust, pollen, and any airborne particles with a size of 0.3 microns (µm),QUIET OPERATION: With noise levels as low as 24dB, the Core 200S/Core 200S-P cleans your air without keeping you up at night. For a completely uninterrupted sleep, turn off all lights with the Display Off button,ACCESS ANYWHERE: With the VeSync app, you can control your smart air purifier from anywhere. Adjust settings while you’re in the other room, at the office, or out walking the dog,VOICE CONTROL: The Core 200S / Core 200S-P.