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 556-21110-00 Tank Vents 956-03778-00 ANCHOR lIGHT 956-50214-00 Hinge,SS 556-11050-00