Blue Sky Filter is a professional air filter supplier and car air filter manufacturer in China since 2009.


How to distinguish the grade of HEPA filter?

by:Blue Sky Filter     2022-03-06

It is very important to distinguish the grades of HEPA filters. It is very necessary to know the grades of HEPA filters before using them.

HEPA filters can be roughly divided into three levels: high, medium and low. Each level has its own advantages and disadvantages.

First of all, the high-grade HEPA filter takes H13 and above as an example, although it can efficiently filter out more than 99% of particulate pollutants;

But at the same time, it is often The wind resistance of the air purifier becomes larger, which directly reduces the purification efficiency, which is not worth the loss.

Secondly, the medium and low-grade HEPA filter, although it can maintain a stable wind, affects the filtering effect of particles below PM2.5, and the two cannot be balanced.

Even if the two can be taken into account, it will increase the power consumption, and the performance will also produce mutual constraints.

So no matter which grade of HEPA filter it is, it has its own drawbacks. To avoid these drawbacks, it is more practical to choose a relatively balanced and reliable comprehensive performance.

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