Allows passage of a cord or cable through the right or left-side interior wall to the exterior of a Logic Biological Safety Cabinet. Logic Cabinets are factory-prepared for easy on-site installation. Kit includes, labels, housing, gasket, grommet and closed-cell foam plug with holes for cords/cables with diameters of 1/4, 3/8 and 1/2 inch. NSF-approved port does not disrupt airflow or allow leakage.