It is important to only use genuine Blueair replacement filters to maintain optimal performance and warranty. Filters that are not Blueair genuine will void your units warranty
GENUINE Blueair Replacement Filter is compatible with Blueair Pro M, Pro L and Pro XL Air Purifier
Ensure the correct number of filters for your Pro Air Purifier; The Pro M requires: 1 filters. Pro L requires: 2 filters. Pro XL requires: 3 filters
PARTICLE and ACTIVATED CARBON combine to create the Blueair SmokeStop filter that, with the Blueair Pro air purifier, reduces pollen, dust, pet dander, mold spores, bacteria, odor, VOCs, Tobacco smoke and other gaseous pollutants
RECOMMENDED to change filter once every 6 months, or dependent on usage. This filter is can be recycled after it's changed