The MD-20 PAD 25x75 from Koch Filter Corp is a versatile air filter pad designed for effective filtration. Measuring 25 inches by 75 inches, this pad is available in packs of 4, making it a practical choice for various HVAC applications. Its robust construction ensures durability and efficiency in capturing dust and allergens, enhancing indoor air quality. The MD-20 PAD is easy to install and maintain, making it suitable for both commercial and residential environments. It complies with industry standards, ensuring reliable performance in air filtration.