An air filter is a device that removes particulates and contaminants from the air. It is commonly used in HVAC systems to improve indoor air quality by removing dust, pollen, pet dander, and other pollutants. It can also be used in automobiles to prevent dust and other contaminants from entering the engine, thus improving its efficiency and lifespan. Air filters can be made of various materials such as fibers, foam, or mesh and come in various shapes and sizes to fit different systems.
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