And two, it’s far more sensitive to filter lifestyle than some other purifiers: We’ve calculated reasonably major fall-offs when screening 12 months-aged filters. Blueair recommends changing the filter “each and every 6 months or so,” and it’s best to stick to that plan. Uncompromised particle removal Blueair DualProtection filters have https://www.mannature.com/products/detail/airpurifier