PM2.5, ozone, water ions! Do you know these several car air purification functions?

Although domestic air pollution control has achieved initial success in recent years, many places still experience smoggy days as soon as winter sets in. Especially in recent days, the PM2.5 levels in many places have shown a trend of soaring again. Hebei, Henan, Tianjin and other places have all issued warnings of severe air pollution. When purchasing a car, more and more people are paying attention to the air purification function of the vehicle. But nowadays, with all kinds of air purification functions available on the market, how much do you know about them?

The air conditioning of a car is equipped with an air conditioning filter, which is commonly known as the "internal filter". In the past, when the air quality was good, it was mainly used to filter out relatively larger particles such as pollen and leaves. However, the particle size of PM2.5 particles is smaller, and the old internal filter has difficulty filtering these small particles. Therefore, many manufacturers adopt internal filters with better filtering effects and the ability to filter PM2.5 in their products. The reason why many products have PM2.5 filtering functions is that they rely on this finer filter screen.

For many friends who already own a car, they can also purchase an air conditioning filter with PM2.5 filtering function online to endow their beloved car with the ability to filter PM2.5.