Products VentilatorRound Vent Back Butterfly Vent 956-03703-00 BUTTERFLY VENT STAMPED AISI 304 ITEM NO. Dia mm Weight/g 956-03704-00 100 (4") 73 956-03703-00 125 (5") 67 You May Also Be Interested In Butterfly Vent 956-03703-00 Round Locker Vent Gtrills 956-03716-00 Bimini Thumb Screw 256-03681-00 Barrel Bolt 256-03040-00