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 Fuel Tank Vent Round Head 956-03736-00 Vent 90° 956-03759-00 Rail End 16 1/2° (End-Out) 156-66050-00 Quick Link 956-02908-00