Pleated paper elements are pretty much the only choice for car engine air filters because they are efficient, easy to repair and cost-effective. The word "paper" is a bit misleading as filter media is very different from paper used for writing or packaging etc. There has been a belief among tuners t

A particulate air filter is a device composed of fibers or porous material that removes solid particles such as dust, pollen, mold and bacteria from the air. Filters containing adsorbents or catalysts such as charcoal can also remove odors and gaseous pollutants such as volatile organic compounds or

The most important link of non-woven fabric is summarized in four words: forming mesh and strengthening. Therefore, this paper briefly introduces several of the most common mesh forming and reinforcement methods.

The combination filter medium consists of a relatively standard material, either woven or one of several different types of nonwoven, carrying some additional substance that enables it to perform the extra task.