Air Purifier with Sharp Edge Sharp Humidity-Controlled Air Purifier KC-G50SA-W 38 m2 of coverage; ions in a plasma cluster – Generator of Ions: 7000 ions (s/cm3) - Modes of operation: Maximum, Medium, Low, Sand, Sleep - Pre-filter for washable fine dust blocks - Washable Static Electricity - Non-washable Deodorizing (PANDA) Filter (Voc, Nox, Sox) 99.97% antimicrobial HEPA filter - Reusable Humidification Screen - Six sensors that sense seven factors that precisely control the automatic operation