Attwood Marine Fuel Tank Vent - Straight
Patented splash-resistant, corrosion-resistant polypropylene. Meets ABYC ventilation specifications. All Attwood fuel tank vents meet or exceed U.S. Coast Guard regulations.
Hose Size 5/8" ID
Max Hull Thickness 5/8"
Hole Size 7/8"
I had trouble with water getting in my tanks through the vents. These fixed the problem. Also, be sure to create a long enough connector line so that you have an "inverted U" formed by the connector line. This will insure water is not splashing back into your tanks.