The STRATA FILTER 9+27-7/8+1/2 from AAF International is designed for optimal air filtration in various applications. This filter measures 9 inches in depth and 27-7/8 inches in height, with a thickness of 1/2 inch, ensuring a perfect fit for standard air handling units. 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. Compatible with a range of HVAC systems, it is ideal for commercial and industrial environments. Upgrade your air filtration system with this reliable and efficient filter.