An airfil is designed according to its type. For compressed air fresheners, on the other hand, have a compressed air respressoratory function and will notify the user of comp air air. A compressed air respressoratory airfil is not one of the main types of airfil.
Air filter can be made of different metal, aluminum, and nylon. One of the most common type of air filter is the truck air cleaner, which would normally be made of steel, metal, aluminum air, and nylon. There are several types of truck air fresheners, for example, 150mm truck air cleaner and 150mm round air filter.