Nispira Particle/Carbon HEPA Filter Set For Blueair Sense+ Sense Air Purifier | Removes Smoke, Chemical VOCs, Odor, Pet Dander Item Package Quantity:2 replace the filter every 4–6

replace the filter every 4–6 months depending on usage and air conditions

Nispira premium True HEPA and activated carbon pre filter replacement set compatible with air purifier HR900

Nispira premium HEPA filter replacement compatible with  Odor HEPA-Type Room Air Purifier Filter size F2

Dimensions: 19" x 7

Nispira Particle/Carbon HEPA Filter Set For Blueair Sense+ Sense Air Purifier | Removes Smoke, Chemical VOCs, Odor, Pet Dander Item Package Quantity:2 replace the filter every 4–6Nispira 2 in 1 True HEPA filter replacement with activated carbon pre filter compatible with Blueair Sense+ Sense Air Purifier Compared to the original particle filter and activated carbon pre filter HEPA filter removes up to 99. 97 percent of airborne particles size as small as 0. 3 microns. Activated carbon filter removes smoke, odors from pets, cooking smells and VOCs chemical. Give you a peace of mind for fresh air. Suggest replacing the filter