The MG400 20x112-119 7-LNK 20x16 by Koch Filter Corp is a specialized air filter designed for high-efficiency filtration in large HVAC systems. This filter measures 20 inches by 112-119 inches and features a 7-link design, allowing for versatile installation options. Constructed from high-quality materials, it effectively captures dust and other airborne contaminants, ensuring optimal air quality. This filter meets industry standards, making it suitable for both commercial and industrial applications. Each carton contains 3 filters, providing a reliable solution for ongoing air filtration needs.