The MD-20 PAD measures 29"x39" and comes in a pack of 8, designed by Koch Filter Corp. This high-efficiency filter pad is ideal for various air filtration applications, ensuring optimal performance in HVAC systems. Constructed from durable materials, it effectively captures airborne particles, enhancing indoor air quality. The pad's dimensions allow for easy installation in standard filter frames, making it a versatile choice for both commercial and residential use. Its design complies with industry standards, ensuring reliability and efficiency.