And Two, it’s far more delicate to filter lifestyle than some other purifiers: We’ve measured fairly sizeable fall-offs when testing yr-old filters. Blueair recommends changing the filter “each 6 months or so,” and it’s best to stick with that timetable. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน We examined the Coway Airmega Icon purifier in April waiting for link from Social Network Posts (3)