First, the air filter element is a kind of filter, also called air filter cartridge, air filter, style, etc. Achieve air filtration in the car. The engine should suck in a 

large amount of air during the working process, and if the air is not filtered, the dust suspended in the air is sucked into the cylinder, which will 

accelerate the wear of the piston group and cylinder. Larger particles entering between the piston and the cylinder can cause a serious "pulling the

 cylinder" phenomenon, which is especially serious in dry and sandy working environments. The air filter is installed in front of the carburetor or intake

 pipe to filter out dust and sand particles in the air and ensure that sufficient and clean air enters the cylinder.

Second, the function of the air conditioning filter element is to filter the air entering the car through the air conditioning system. It can filter dust, 

pollen, various foreign substances and even most PM2.5, so it is very important for the health of the occupants in the car. When the car is driving with 

the air conditioner on, it is necessary to inhale the outside air into the cabin, but the air contains many different particles, such as dust, pollen, soot, 

grinding particles, ozone, odor, nitrogen oxides, sulfur dioxide, carbon dioxide, benzene, etc. If the vehicle is not filtered by the air conditioning filter, 

once these particles enter the cabin, it will not only pollute the car air conditioner, reduce the performance of the cooling system, but also cause 

allergic reactions after the human body inhales dust and harmful gases, lung damage, irritability stimulated by ozone, and the influence of peculiar 

smell, all of which affect driving safety. The high-quality air filter can absorb powder-tip particles, reduce respiratory pain, reduce irritation to allergic 

people, make driving more comfortable, and the air conditioning cooling system is also protected.

Whether it is an air filter or an air conditioning filter, their role is to filter the air, one is to provide clean air for the engine, the other is to provide 

clean air for the interior environment, both of which play an important role in our health during driving. Then the problem is, no matter which kind 

of filter element, after a long time of use, it will absorb too many impurities and become dirty, the purification effect will be weakened, and even 

pollute the air to play a counterproductive role, so it needs to be replaced regularly, and the specific replacement cycle depends on the use of the 

vehicle to decide.

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