The filter element is the heart of the filter, as the name suggests, the filter element. The main principle of the filter element is also the main principle of the filter, which is to purify the original ecological resources and reuse the resources, and the purification equipment is needed. The filter element is generally used in oil filtration, water filtration, air filtration and other filtration industries. Removing a small amount of impurities in the filter medium can protect the normal operation of the equipment or the cleanliness of the air. When the fluid passes through the filter element with a certain precision, the impurities are blocked, and the clean fluid flows out through the filter element.