And two, it’s additional sensitive to filter lifetime than A few other purifiers: We’ve measured quite substantial fall-offs when screening year-old filters. Blueair endorses replacing the filter “every single six months or so,” and it’s best to follow that timetable. จัดส่งฟรี! เมื่อสั่งซื้อเครื่องกรองอากาศทุกรุ่น We tested the Coway Airmega Icon purifier in https://www.mannature.com