Products VentilatorRound Vent Back Butterfly Vent 956-03706-00 BUTTERFLY VENT STAMPED AISI 304 ITEM NO. Dia mm Weight/g 956-03705-00 100 (4") 69 956-03706-00 125 (5") 100 You May Also Be Interested In Round Transom Vent 956-03727-00 Butterfly Vent 956-03703-00 Swivel Eye Snap 956-00503-00 Push Pull Switch 556-30101-00