The MD-20 PAD 7"x11" from Koch Filter Corp is a compact air filter pad designed for efficient filtration in smaller HVAC systems. Measuring 7 inches by 11 inches, it fits standard filter frames and is ideal for various applications. Each carton contains 25 pads, making it a practical choice for regular maintenance. The MD-20 series is recognized for its excellent dust-holding capacity and low resistance to airflow, ensuring optimal performance. This product meets industry standards for air quality, making it suitable for environments where clean air is essential.