MOOKA Air Purifiers for Large Room Up To 1740ft² H13 True HEPA Filter Air Clean
It can cover 500 ft² in only 10 minutes, and refresh air for a room as large as 3000 ft² in one hour. Depending on usage, the air purifiers filter should be replaced every 2–6 months, you can buy new filters by searching "B0CCNG9316".