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 Goose Neck 956-03717-00 Folding Anchor 956-71425-00 Chain Link 956-02310-00