The specially engineered structure reduces wind resistance while maintaining high airflows, improving purification efficiency and overall air in your living space Adopting advanced filtration technology, it can effectively captures up to 99.97% Of tiny particles with a size of 0.3 Microns, including dusts, pollen, and other harmful substances, providing you with cleans air This filter provides great filtration, effectively reducing air pollutants Designed for easily replacement, this lightweight filter requires none tools and can be quickly installed to maintain your purifiers ' s function Applicable models: Suitable for series and replace, making it more for users during use