And two, it’s additional delicate to filter life than A few other purifiers: We’ve measured fairly considerable drop-offs when screening yr-outdated filters. Blueair endorses replacing the filter “each six months or so,” and it’s best to keep on with that timetable. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท We examined the Coway Airmega Icon purifier in https://www.mannature.com