The M11 CUBE W/HEADER 20x20x10 by Koch Filter Corp is a high-efficiency air filter designed for optimal performance in HVAC systems. This filter measures 20x20x10 inches and comes in a convenient pack of 10. It features a robust construction that ensures durability and longevity, making it suitable for various applications. The M11 CUBE is engineered to capture airborne particles effectively, enhancing indoor air quality. Its design complies with industry standards, ensuring reliable filtration performance. Ideal for commercial and residential use, this filter is a smart choice for maintaining a clean and healthy environment.