LEVOIT Core 400S Toxin Replacement Filter Against 99.97% of Air Pollution Exhaust Gas, 3 in 1 HEPA for Smokers, Allergy Sufferers, Highly Efficient Activated Carbon and Pre Filter,

3-STAGE FILTRATION: Three stages of filtration trap a wide variety of airborne contaminants, such as vehicle exhaust, smoke, and toxic compounds DEAL FOR SMOKE, ODORS AND VOCS: The Toxin Absorber Replacement Filter is equipped with an Efficient Activated Carbon Filter which helps to abosorb vehicle exhaust, smoke, and fumes—perfect for people living in urban and industrial areas POWEFUL PURIFICATION: Captures at least 99.97% of 0.3-micron airborne particles, while statically charged fibres trap viruses and bacteria COST-EFFECTIVE: This philtre is made to last 6–12 months and easy to replace, so you don’t have to worry about frequent and difficult replacements, Weight: 2.8990787453 pounds, Manufacturer: LEVOIT