The DUO PAK 40 filter is a 2-ply, 24x24x12 inch air filter from Koch Filter Corp, designed for superior filtration in HVAC systems. This filter effectively captures dust, pollen, and other airborne particles, enhancing indoor air quality. Each carton contains 7 filters, making it a practical choice for regular maintenance. The dual-layer construction provides increased surface area for better airflow and filtration efficiency, ensuring compliance with industry standards for air quality.
