- Compatible Models: The AP2000WF replacement filter is specifically designed for the KNKA AP2000WF Air Purifier. Please ensure your model matches before purchasing, as it is not compatible with other air purifiers. - Advanced 3-Stage Filtration: This filter features a 3-Stage High Efficiency Filtration System, which includes an Ultra-fine Pre-Filter, H13 Grade True HEPA Filter, and Activated Carbon Filter. Together, they deliver pure and fresh air, enhancing your living environment. - H13 True HEPA Filter: Capable of capturing 99.97% of airborne particles as small as 0.3 microns, this filter effectively removes dust, pet hair, pet dander, pollen, smoke, and other fine particulates. - Activated Carbon Filter: The upgraded granular activated carbon layer absorbs unwanted odors and fumes, including smoke, cooking smells, pet odors, and volatile organic compounds (VOCs). This makes it ideal for households with children and pets. - Cost-Effective Solution: The package includes a 2+4 pack of filters for the KNKA AP2000WF air purifier. These filters perform on par with the original ones, helping you save both time and money. - Easy Replacement: Installing the AP2000WF air purifier filter is a hassle-free process—no tools required. Simply remove the old filter and replace it with a new one. For optimal performance, we recommend changing the filter every 3-6 months, depending on usage and environmental conditions. Practical Applications: - Perfect for homes with pets to manage allergens and odors. - Ideal for allergy sufferers seeking cleaner air. - Great for kitchens to reduce cooking smells and improve air quality.