The MG300 12x100-104 4-LNK filter by Koch Filter Corp is a high-efficiency air filter measuring 12x100 inches. This filter features a 4-link design, enhancing its performance in capturing airborne particles. Constructed from durable materials, it is ideal for various HVAC applications, ensuring optimal air quality. Each carton contains 6 filters, providing a cost-effective solution for maintaining clean air in large spaces. The MG300 series is compliant with industry standards, ensuring reliability and effectiveness in air filtration.