The DUO-CUBE filter, measuring 24x24x24 inches, features a 3-ply design for enhanced air filtration. This filter is perfect for capturing a wide range of airborne particles, making it suitable for various HVAC applications. Each pack contains 5 filters, providing a cost-effective solution for maintaining clean air. The DUO-CUBE is constructed from durable materials, ensuring long-lasting performance and low resistance to airflow. It meets industry standards for filtration efficiency, making it an excellent choice for both commercial and residential environments.