And Two, it’s a lot more delicate to filter life than Several other purifiers: We’ve measured relatively substantial drop-offs when screening 12 months-previous filters. Blueair endorses replacing the filter “each 6 months or so,” and it’s best to stay with that routine. ฝุ่นละออง, เชื้อรา, ละอองเกสร และแบคทีเรีย CADR (clear air shipping https://www.mannature.com