The DUO PAK 40 is a 2-ply air filter measuring 20x20x10, designed by Koch Filter Corp for enhanced filtration efficiency. This product is ideal for various HVAC applications, providing superior dust and particle capture. Its dual-layer construction ensures durability and long-lasting performance, meeting industry standards for air quality. The DUO PAK 40 is engineered to optimize airflow while maintaining high filtration efficiency, making it an essential choice for maintaining clean air in commercial and industrial settings.
