Eureka Forbes Aeroguard Fresh Car Air Purifier(Black) The air quality inside your car can be up to 5 times more polluted than outside air due to micro-particles dust, pollen, harmful gases, viruses and bacteria. Most air-conditioning systems are ineffective in keeping these pollutants out. Equipped with active shield the patented advanced multi-layered purification process eliminates sub - micron respirable particles, dust, fumes, VOCs, pollen and infection-carrying microbes (virus and bacteria) in the air making the air 99.9 percent pure and healthy always.