Optimal Filtration Efficiency: Designed specifically for Air Purifier Core 300s, this replacement HEPA filter offers high-efficiency air filtration, effectively capturing up to 99.97percent of airborne particles as small as 0.3 microns, including dust, pollen, smoke, and odors. and Reliable: Crafted with premium materials, this filter ensures long-lasting performance and durability, making it an essential accessory for maintaining your air purifier's efficiency. Easy Installation: This filter is engineered for a , ensuring easy installation without the need for tools. Simply replace your old filter and enjoy improved air quality immediately. Maintain Performance: Regular replacement of your air purifier's filter is crucial for maintaining its performance and efficiency. This compatible spare part ensures your air purifier operates at optimal levels, providing a healthier environment and your family. Color: Material: Plastic and HEPA and activated carbon Package Contents: 1 x HEPA Filter Replacement 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.