BLUEAIR Blue Pure 211+ Light Blue Pre-Filter, Washable Fabric Traps Pollen, Pet Hair & Dust, Diva Blue

Blue Pure 211+ Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 211+ Air Purifier, by Blueair

Blue Pure 211+ Air Purifier 3 Stage with Two Washable Pre-Filters, Particle, Carbon Filter, Captures Allergens, Odors, Smoke, Mold, Dust, Germs, Pets, Smokers, Large Room

Blue Pure 211 Replacement Filter, Particle and Activated Carbon for 2016 model, Fits Blue Pure 211  Air Purifier, by Blueair

Blue Pure 411 Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 411 Air Purifier, by Blueair

Blue Pure 411 Air Purifier 3 Stage with Two Washable Pre-Filters, Particle, Carbon Filter, Captures Allergens, Odors, Smoke, Mold, Dust, Germs, Pets, Smokers, Small Room

Blue Pure 411 Light Gray Washable Pre-Filter, Removes Pollen, Dust, Pet Dander and Other Airborne Pollutants, Lunar Rock, by Blueair