The STRATA FILTER 8+39-1/2+1 by AAF International is designed for optimal air filtration in various HVAC applications. This filter measures 8 inches in depth and 39-1/2 inches in length, ensuring a perfect fit for standard systems. Constructed with high-quality materials, it meets industry standards for efficiency and durability. The filter is engineered to capture airborne particles effectively, enhancing indoor air quality. Its design allows for easy installation and maintenance, making it a reliable choice for both commercial and residential use. Compatible with various AAF systems, this filter is essential for maintaining optimal airflow and system performance.