Designed for optimal air purification, XieChang's air filter is the perfect fit for a wide range of settings. Ideal as a pre - filter in the ventilation systems of high - traffic areas like office buildings, bustling shopping malls, and busy airports, it also ensures a clean environment in sensitive spaces such as hospitals, quiet conference rooms, and high - tech clean rooms. Even in general factories, its high - performance filtration capabilities keep the air free from pollutants, making it an essential choice for any large - scale civil architecture or industrial facility.