What are engine air filters made of? The engine has three filters for air, oil and fuel, which are generally called " three filters ". They are responsible for the filtration of media in the engine air intake system, lubrication system and combustion system respectively. A car air filter material is an item that removes particulate impurities from the air in the car, which can effectively reduce pollutants from entering the car and prevent inhalation of pollutants that are harmful to the body. Car air filters can bring a cleaner interior environment to your car. Automobile air filter belongs to automobile supplies, which is composed of two parts: filter element and shell. Its main requirements are high filtration efficiency, low flow resistance, and continuous use for a long time without maintenance. Automobile engines are very precise parts, and even the smallest impurities can damage the engine. Therefore, before th…