The task of air filters is to clean the air necessary for the engine by keeping particles such as dust, soot and exhaust gases. In this way, it protects the engine and extends the life of the vehicle. It is very important that the properties such as the type, pore size, thickness, mechanical durability of the filter paper used in air filters are suitable for the purpose. In addition, the proper and sufficient pleating and placement of the paper ensures that the air is distributed evenly on the filter surface and filtration is carried out more efficiently.