The biggest function of the air filter is to filter the dust particles, dust ashtrays and other impurities in the air during the intake process of the engine.The entry of clean air is particularly important for the engine to exert the desired power.If the filter is not up to the required effect, it will cause the engine to inhale a large amount of dust particles and harmful substances, which will cause wear and tear inside the engine and aggravate the life decay.high-quality air filter products ensure that the quality of the car's air intake is at a safe level,Thus effectively reduce the wear of engine and engine parts,high-quality automotive engine filter media can also effectively improve the fuel economy.