And Two, it’s far more sensitive to filter lifetime than some other purifiers: We’ve measured fairly sizeable fall-offs when testing 12 months-previous filters. Blueair suggests changing the filter “just about every 6 months or so,” and it’s best to keep on with that plan. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน As well as a HEPA https://www.mannature.com/products/detail/airpurifier