The Metal Filter by Koch Filter Corp is a robust steel filter measuring 20 inches by 20 inches by 4 inches, designed for heavy-duty air filtration. This filter is constructed from high-quality steel, ensuring durability and long-lasting performance in demanding environments. Ideal for industrial applications, it effectively captures large particles and contaminants. The metal design allows for easy cleaning and maintenance, making it a cost-effective solution for ongoing air quality management. This filter meets industry standards for performance and reliability.