The MG550 25x100-104 4-LNK 25x25 by Koch Filter Corp is a high-performance air filter designed for efficient filtration in various applications. This filter features a robust construction with a size of 25x100 inches, ensuring optimal airflow and dust capture. It is packaged in a convenient carton of 6 units, making it ideal for commercial use. The filter is engineered to meet industry standards, providing reliable performance and longevity. Its design allows for easy installation and compatibility with standard HVAC systems.