The MD-10 PAD filter by Koch Filter Corp measures 5"x5" and is available in packs of 25. This compact filter is designed for high-efficiency air filtration, effectively capturing dust and other small particles. Its lightweight design makes it easy to install in various applications. The MD-10 series filters are engineered to provide reliable performance while maintaining optimal airflow, making them suitable for both commercial and residential HVAC systems. This filter meets industry standards for air quality, ensuring a dependable solution for maintaining clean air.