The MG300 filter, sized 18x54-57 with a 3-link design, is packaged in sets of 8 by Koch Filter Corp. This filter is engineered for high-efficiency air filtration, making it ideal for various HVAC applications. The 18x18 link configuration enhances airflow while effectively trapping dust and allergens. Constructed from high-quality materials, this filter meets stringent industry standards, ensuring reliable performance and longevity. Its dimensions allow for easy installation, making it a practical choice for both residential and commercial environments.