The MD-20 PAD is a versatile air filter pad measuring 30"x42", designed for high-efficiency filtration. Manufactured by Koch Filter Corp, this pad comes in a pack of 8 and is ideal for use in HVAC systems and industrial applications. Its construction from premium materials ensures excellent dust-holding capacity and durability. The MD-20 PAD is engineered to capture a wide range of airborne particles, significantly improving indoor air quality. Its size allows for easy installation in various filter frames, making it a practical choice for both commercial and residential use.