And Two, it’s additional sensitive to filter daily life than A few other purifiers: We’ve measured quite sizeable drop-offs when screening calendar year-outdated filters. Blueair recommends replacing the filter “every six months or so,” and it’s best to follow that agenda. ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม Based on AHAM , your air purifier waiting for link from Social Network Posts (6)