Fully compatible with NEA120 air purifier and Smart WiFi Air Purifier CAF-W36USW. True HEPA filter is ideal for households with children, seniors, pets, allergies, smokers, and asthma sufferers. NEA-F1 H13 True HEPA filter captures up to 99.97% of particles as small as 0.1 micrometers, including pollen, allergens, lint, household dust, pet dander, smoke, and smog. NEA-C1 activated carbon pre-filter helps trap large airborne particles to extend the life of the HEPA filter and reduces unwanted odors from pets, cooking, smoking, wildfire, and harmful VOCs. This high-efficiency two-stage True HEPA filtration system is suitable for those with frequent or recurring allergies, effectively capturing most pollen, mold spores, household dust, pet dander, and smoke to help ensure cleaner, irritant-free air. Easy to replace; no tools required. Replace the True HEPA filter every 12 months and the activated carbon filter every 3 months for optimal performance. Color: black. Material: plastic. Package includes: 1 x Filter, 4 x Filter cotton. Package content is limited to the items listed; other products are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.