Bring clean air to your living space with the Levoit Core 400S-P Pet Allergy Carbon Replacement Filter. Featuring a pet air purifier filter, an air purifier filter, and a replacement air purifier filter, this filter eliminates pet dander, smoke, dust, mold, and pollen from the air. The pet allergy carbon replacement filter complements the main filter to trap even more odors and toxic gases, giving you the cleanest air in any room.