Paper air filters are made of microporous filter paper treated with resin. The filter paper is porous, loose and folded. They have certain mechanical strength and water resistance with advantages of high filtration efficiency, simple structure, light weight, low cost and convenient maintenance. They are most widely used as vehicle air filters at present.

What Are the Symptoms of a Bad Air Filters?

Acceleration performance decreases and fuel consumption increases. Once the filter element is blocked, there is too much dust and the aperture of the filter paper is blocked, will hinder the passage of air. Then the air intake rate will decrease, the air flow will decrease, and there is not enough air support when the engine burns. Even if the accelerator is pressed deeply, the speed still can not come up, there will be insufficient power and the driving fuel consumption will increase. Moreover, under the strong negative pressure (intake suction) of the engine, the dust, impurities and particles outside the filter element will break through the filter paper and directly enter the cylinder to participate in combustion, even lead to the breakage and rupture of the filter paper.

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