The Heavy Duty Filter 13-1/4 x 13-1/4 x 2 from AAF International is designed for high-efficiency air filtration in commercial and industrial applications. This filter features a robust construction that ensures durability and longevity, making it ideal for heavy-duty use. With dimensions of 13-1/4 inches by 13-1/4 inches and a thickness of 2 inches, it fits standard filter housings. The filter is engineered to capture a wide range of airborne particles, enhancing indoor air quality while maintaining optimal airflow. It complies with industry standards, ensuring reliable performance in demanding environments.