Shenzhen Xiangnan Hi-tech Purification Equipment Co., Ltd. is a leading manufacturer and supplier of medium efficiency air filters for HVAC systems. Our heavy-duty air filter flange type is designed to provide superior filtration and ensure clean and healthy indoor air quality. With filtration efficiency ranging from F5 to F9, our air filters are suitable for a wide range of applications, including commercial, industrial, and residential use. Our air filters are made with high-quality materials and advanced manufacturing processes to ensure reliability and performance. They are designed to remove airborne contaminants such as dust, pollen, mold spores, and other particles, providing a cleaner and healthier environment. As a trusted air filter manufacturer and factory based in China, we are committed to delivering high-quality products that meet or exceed industry standards. Whether you are in need of air filters for new HVAC installations or replacements for existing systems, Shenzhen Xiangnan Hi-tech Purification Equipment Co., Ltd. has the expertise and products to meet your needs.