The Liebert 195553P3 Air Filter is designed to remove airborne contaminants from HVAC airflow systems, protecting equipment and maintaining indoor air quality. It functions by trapping dust, lint, and particulates as air passes through its filtration media, ensuring clean airflow to critical components. Commonly used in precision cooling units, air handlers, and data center HVAC syste... https://www.partshnc.com/195553p3-liebert-3063x231x4-merv11-fltr-nr