And two, it’s extra delicate to filter everyday living than Various other purifiers: We’ve measured quite significant fall-offs when testing calendar year-aged filters. Blueair endorses changing the filter “each individual 6 months or so,” and it’s best to stick to that timetable. Uncompromised particle removing Blueair DualProtection filters happen to https://www.mannature.com/products/detail/airpurifier