This test determines when adjustments are required or HEPA filters are loaded and need replacement. HEPA filter leak test. The filter face and perimeter are thoroughly checked for leakage. Pressure leak test. All panels, seams, and joints are tested to assure cabinet integrity.
Smoke is introduced so that proper airflow paterns can be observed.
When filters are changed or major repairs are necessary, Clean Air Flow personnel eliminate hazardous biological agents by thoroughly decontaminating the cabinet.