Fine filter is an air filter that works to clean the air that passes through it and collect the dust, dirt, bacteria, microorganisms, fibers, etc. Fine filter is one of the air filters that is used as secondary filter. Other filters by use include coarse filters, semi HEPA, HEPA and ULPA. The filter media removes all contaminants and particulates in the air with the high level of efficiency. This filter can be used in engine, building ventilation system and other other application areas that demand high air quality. It can be obtained based on its class, performance and filtration ability by particulate size.