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.For the best performance and longest lifespan, use genuine Levoit replacement filters. Use the in-app feature to monitor your filter life. Search B08L971Z4L or “Core 200S-RF”