Products VentilatorRound Vent Back Ventilator,SS 556-11314-00 Item Number: 556-11314-00 128mm(5") x 1mm(T) You May Also Be Interested In Butterfly Vent 956-03706-00 Ventilator 256-03710-00 Anchor Chain Connection 956-00128-00 Eye Plate 956-04400-00