Blueair Blue Pure 121 Pre-Filters capture larger particles for even more effiicent functioning of the main particle filter plus giving it a longer life..
This filter set includes one pre-filter, HEPA filter, carbon filter, and germ defense filter..Filter-Monster pack that's compatible with the RabbitAir MinusA2 Air Purifier.
With its extra large filter area plus ultra-thin fiber construction, this filter provides high airflow and higher filtering capacity..Genuine Blueair particle filter with added carbon foldable filter for the Blue Pure 211+ Air Purifier.
Silently remove germs, allergens, bacteria, and other airborne irritants. Using the natural power of heat, this energy efficient and quiet unit purifies the air in areas up to 650 square feet..
These filters are designed for Aprilaire air cleaner models # 1410, 2410, and 3410. Aprilaire 410 Replacement Air Filters provide MERV-11 filtration efficiency. Aprilaire 410 Air Filter (MERV-11) - 4-Pack.