Products OthersVent Back Gas Tank Vent 556-12080-00 Item Number: 556-12080-00 Description: 9/16" C/P Zamak You May Also Be Interested In Gas Vents with Stainless Steel Screens 156-66004-00 Thru Hull Vent for Pipe (90° Elbow) UP 197-00204-00 Folding Anchor 956-20201-00 Ring Nut 956-04704-00