Products OthersVent Back Thru-Hull Ditto 197-00208-00 Item Number : 197-00208-00 Description : For hull up to 1”thick. You May Also Be Interested In Fuel Tank Vent Round Head 956-03762-00 Tank Vents 956-03779-00 Ring Pull 256-03405-00 RUBBER GUDGEON 956-08760-00