And two, it’s far more delicate to filter lifetime than some other purifiers: We’ve measured fairly major drop-offs when testing calendar year-previous filters. Blueair recommends replacing the filter “just about every 6 months or so,” and it’s best to stick to that agenda. มีขนาดกะทัดรัด พกพาไปใช้งานได้อย่างสะดวกในทุกที่ The filter on the bottom https://mannatureairpurifier.com/