Products OthersVent Back Thru-Hull Vent 197-00207-00 Item Number : 197-00207-00 *Die cast zinc alloy, chrome plated w/monel screen. *For hull up to 1/2” thick. You May Also Be Interested In GAS TANK VENT 556-12080-00 Vent 956-03771-00 Take Apart Hinge Left Side 256-03010-LE ANGLES 956-03166-00