The 1" Alum Filter 21-3/4"+23-3/4"+1 from AAF International is designed for optimal air filtration in HVAC systems. This aluminum filter is lightweight yet robust, effectively capturing dust and particulates. With dimensions of 21-3/4" and 23-3/4", it fits a variety of air handling units. The 1" thickness ensures a balance between airflow and filtration efficiency, making it suitable for both commercial and residential applications. This filter complies with industry standards, ensuring reliable performance and longevity.
