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 956-03704-00 Buckle For Webbing 956-04344-00 Illuminated Rocker Switch 356-01118-57