A. This is an air filter element specially designed for certain vehicle models, suitable for models such as DL1000 and DL1050, and can provide air filtration for vehicles. B. In terms of design, this air filter element is carefully crafted, and each parameter is precisely considered. There are detailed parameter standards for connection threads, seal ring sizes, inner diameters, outer diameters, overall dimensions, outer diameter × height, intake pipe diameters, and exhaust pipe diameters. This ensures that it can be perfectly adapted to the vehicle, allowing it to fit tightly with corresponding components and ensuring a smooth and effective air filtration process. C. In terms of use, it can effectively filter the air entering the vehicle, block particles such as dust and impurities, protect key components such as the engine, and extend their service life, thus keeping the vehicle in good operating condition. D. The sales scope of this air filter element is extensive, covering regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. This fully demonstrates that its quality and performance are recognized by markets in different regions. Whether for daily commuting or long - distance driving, it can provide reliable air filtration protection for vehicles.