Antimicrobial type with added anti-virus and allergenic suppression for added comfort. It is effective not only for pollen and dust, but also for removing small particles (PM2.5). Firmly suppresses viruses; Made with natural polyphenols derived from plants. Reduces virus activity trapped by the filter. Keep your car clean and comfortable. Firmly suppresses allergens: Made of natural polyphenols derived from plants. Suppresses allergens such as pollen trapped in the filter. Blocks out unpleasant substances. ● Inhibits the growth of bacteria and mold, and has an antibacterial agent that demonstrates high antibacterial effects. Inhibits mold and mildew growth on the filter surface. Delivers clean air to your car Uses high performance activated carbon for powerful deodorization of unpleasant odors. Absorbs unpleasant odors such as exhaust, cigarette, mold and pets, providing excellent deodorizing effect. Blocks pollen intrusion, uses ultra-fine electrostatically charged non-woven fabric. Securely blocks pollen, dust and dust with over 0.3μ dust without reducing breathability. Please make sure to check the compatibility chart (car model, year, model, etc.) before making your purchase.