The MG300 filter, sized 18x80-84, is packaged as 6 units per carton and manufactured by Koch Filter Corp. This filter is engineered for high airflow and low resistance, making it suitable for various HVAC applications. Its 4-link design enhances structural integrity while ensuring efficient particle capture. The filter is made from high-quality materials that meet industry standards, providing reliable performance in both commercial and residential settings. With dimensions that fit standard filter frames, the MG300 is an excellent choice for maintaining optimal air quality.