The filter helps reduce household and chemical odors. The HEPA filter captures 99.97% of dust, pollen, smoke, mold spores, and pet dander. These air filters trap particles as small as 0.3 microns or larger and help reduce air pollution from PM 2.5. Replace the filter every 2–3 months to maintain optimal air purifier performance. A high-efficiency activated carbon filter helps absorb common household odors from pets, cooking, smoking, wildfire smoke, and certain VOCs. Easy to replace with no tools required. Replace filters every 6 months for best results. Color: Black & White. Material: Plastic. Package Contents: 1 x Replacement HEPA Filter. Only the above package content is included; other products are not included. Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1–3 cm.