C545. 4-Stage True HEPA Air Purifier with WiFi & PlasmaWave® Technology. $ 179.99. Up To 2 Years of Filtration: Includes 2 True HEPA Filter and 8 Carbon Filters. †AHAM Verifide® at 360 sq ft. : Also cleans rooms up to 1,740 sq ft in 1 hour (870 sq ft in 30 minutes, 580 sq ft in 20 minutes, 435 sq ft in 15 minutes) More @Wikipedia
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