A. This air filter sponge filter is specially designed for the Longjia VMAX ie 300 model. It features high flow, which can provide more sufficient air supply for the vehicle and ensure the efficient operation of the engine. B. In terms of design, all its parameters have been carefully considered and precisely set. The connection thread, seal ring size, inner diameter, outer diameter, overall size, outer diameter × height, intake pipe diameter, exhaust pipe diameter, etc. all meet the specific specification requirements, ensuring a perfect fit with the vehicle. The installation process is simple and convenient, and it can fit tightly with the relevant parts of the vehicle to create a stable and reliable air filtration system for the vehicle. C. This filter has a wide range of uses and is important. It is like the "breathing guardian" of the vehicle, which can effectively filter dust, impurities, etc. in the air and prevent them from entering the engine. This can reduce engine wear, extend the service life of the engine, and improve the overall performance and fuel economy of the vehicle. D. It is quite popular in various regions. Whether in the vast Africa, bustling European cities, or South America, Southeast Asia, North America, Northeast Asia, the Middle East, etc., it can meet the usage needs of vehicles in different environments and road conditions.