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 Vent 90° 956-03749-00 Fuel Tank Vent Round Head 956-03796-00 Vent 90° 956-03759-00 Self Mounting Guard Rail 956-00006-00