The MG550 MASTER LINK measures 12 inches wide by 25 inches long, designed for efficient filtration in various applications. Manufactured by Koch Filter Corp, this product is ideal for HVAC systems, ensuring optimal air quality. The filter is constructed with high-quality materials that meet industry standards, providing reliable performance. Its dimensions allow for easy installation in standard filter frames, making it a versatile choice for both commercial and residential use. Each carton contains one unit, ensuring you have the necessary supplies for your filtration needs.