- Compatibility: Designed specifically for the D480 True HEPA replacement filter D4, this filter is a perfect match for your Winix D480 air purifier. - H13 True HEPA Filter: Effectively captures 99.97% of airborne particles as small as 0.1 microns, ensuring that the air in your home is clean and fresh for you and your family. - Double Filter System: Features a high-efficiency dual-layer filtration system combining True HEPA and activated carbon filters for superior air purification. - Dimensions: HEPA Filter: 17.13” x 14” x 1”; Carbon Filters: 17.45” x 14.5” x 0.2”, designed to fit seamlessly into your air purifier. - Use Scenarios: - Allergy Relief: Ideal for households with allergy sufferers, this filter significantly reduces dust, pollen, and pet dander in the air. - Improved Air Quality: Perfect for urban dwellers looking to minimize pollutants and irritants from traffic and industrial activities. - Enhanced Comfort: Great for families with young children or elderly members, providing a safer and healthier living environment. Invest in this replacement filter to ensure your Winix D480 air purifier operates at peak performance, delivering cleaner and healthier air throughout your home.