Air dryer filters protect the vehicle system from water by efficiently drying the air produced by the compressor. In this way, braking performance is increased and long service life is provided. Filter quality has important role in keeping brakes and other components in top condition. The use of simple and unsuitable filters can have negative effects on important functions such as brake. As a result, using a quality filter not only helps keep the vehicle in top condition, also contributes to less environmental pollution, more uptime and a better operating economy throughout its lifetime.