Koch Filter Corp's Metal Filter is a durable steel filter measuring 16x25x4 inches, designed for high-performance air filtration in HVAC systems. This filter is constructed from high-quality steel, ensuring longevity and resistance to wear. Its dimensions make it suitable for a variety of applications, effectively capturing dust and debris to maintain air quality. The 4-inch depth allows for increased surface area, enhancing filtration efficiency. This metal filter is easy to clean and maintain, making it a sustainable choice for both residential and commercial environments. It complies with industry standards, ensuring reliable performance and effectiveness in air filtration.