And Two, it’s extra sensitive to filter existence than Another purifiers: We’ve measured reasonably major fall-offs when tests 12 months-old filters. Blueair suggests replacing the filter “each six months or so,” and it’s best to stay with that timetable. ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม The filter on the bottom has been run 24/7 https://mannatureairpurifier.com/