FEATURES * HEPA Technology: An advanced HEPA filter is truly effective to remove 99.97% of dust, pollen, pet dander, odors, bacteria, VOCs, mites, smog and cooking oil. * 360° Cylindrical Design: 360° cylindrical air filter can capture pollutants and purify the air in all directions. * High-Quality Aluminum Mesh Cover: Using an aluminum mesh cover, it can not only make it more durable, less prone to damage but also captures large particles more effectively. * Higher Dust-Holding Capacity: Made with thousands of layers of glass threads, and formed with a continuous mountain folded shape, high-density HEPA filter has a higher dust-holding capacity and higher filtration efficiency.