The K2 tank was developed by Hyundai Daelotem and has been certified for its excellent performance worldwide and is in operation in Turkuye, Poland. The filter for the engine's intake air purifier, a key component, was successfully localized with the Korean Army Ordnance Company and obtained a certificate of research and development. We have built all the performance test equipment for the filter for the K2 tank engine intake air purifier, enabling product quality certification. It has low aeration resistance, high filtration efficiency, and no damage even in an environment of -33℃ and 63℃.