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 Locker Vent Gtrills 956-03732-00 Round Transom Vent 956-03727-00 Bow Eyes, SS 556-11405-00 Turnbuckle Hook and Eye 956-08313-00