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

HEPA is the English acronym for "High Efficiency Particulate Air" In reality, we can say that HEPA filters are mechanical filters with a capacity for sifting small particles at a much higher rate than any other conventional filter.

Non-woven fabrics are made of chemical fibers and plant fibers on a wet or dry papermaking machine under the condition of water or air as the suspension medium. Although it is a cloth without being woven, it is called a non-woven fabric.