FOR MODELS: Designed specifically for the Hepa Filter 4 Pro air purifier. This filter ensures your purifier operates at efficiency, capturing up to 99.97percent of airborne particles. EFFICIENT FILTRATION: Replace your old filters with our True HEPA H13 filters. They effectively capture dust, pollen, smoke, and pet dander to improve air quality. EXTENDED LIFE: Filters are engineered to last a long time, reducing the frequency of replacement. Enjoy continuous air purification and a healthier home environment without the hassle of frequent maintenance. USER-FRIENDLY INSTALLATION: These replacement filters are designed to be simple and install quickly without tools. Maintain your air purifier's performance with minimal effort, ensuring continued operation and keeping your space clean. ADVANCED TRUE HEPA H13 TECHNOLOGY: Harness the power of True HEPA H13 filtration to capture particles as small as 0.3 microns. These filters provide superior air cleaning and are essential for homes with pets, allergies, or heavy pollution. Colour:As Shown Material:plastic Package Contents: 2 x filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.