Air filter, is a device used to filter out solid particles in the air (including dust, pollen, bacteria, mold, etc.), usually made of fiber material. Chemical china air filter use adsorbent materials and catalysts to remove molecular contaminants in the air, such as volatile organic compounds or ozone. Air filters are generally suitable for air quality requirements of high places, such as for building ventilation systems and automobiles, locomotives on the engine.Gasgoo.com provide the top car filter suppliers in china for global air filter buyers sourcing car filter products. The china air filter is typically a pleated-paper filter that is placed in the outside-air intake for the vehicle's passenger compartment. Some of these filters are rectangular and similar in shape to the combustion air filter. Others are uniquely shaped to fit the available space of particular vehicles' outside-air intakes. Being a relatively recent addition to automobile equipment, china air filter is often overlooked, and can greatly reduce the effectiveness of the vehicle's air conditioning and heating performance. Clogged or dirty cabin air filters can significantly reduce airflow from the cabin vents, as well as introduce allergens into the cabin air stream. The poor performance of these filters is obscured by manufacturers by not using the MERV rating system. Some people mistakenly believe that some of these are HEPA filters. Please login to see links and more information.