FreAire HEPA Filter, True HEPA Air Filter Replacement For Dust Smoke Pollen Dander Smell, Black

99.97% Efficient Filtration The H13 HEPA filter is made of very dense fiber material that can filter out tiny particles with a diameter of 0.3 microns or larger, including lint and other harmful substances, achieving a filtration efficiency of over 99.97%. | Pre-filtration Made of coarse cotton cloth material, it filters out large particles such as hair, and dander, preventing these substances from clogging the later filtration layers. This extends the lifespan of the H13 True HEPA filter replacement and saves you money. | High-Activated Carbon Composed of high-activated carbon particles, HEPA air filter effectively removes harmful gases such as smokeodors, formaldehyde, and benzene from the air, improving the purification effect of the air purifier. This makes it a great choice for households with pets, cooking, and smokers. | 360-Degree Filtration When air enters the purifier from multiple directions, the HEPA filter can more fully utilize the filter area and material, filtering out more particles and improving the filtration efficiency and air purification speed. | Eco-Friendly Material This air filter is made of eco-friendly and healthy materials, ensuring that air purification does not harm human health and the environment. It is a very reliable air purifier filter material.