On the exterior, they have a smooth edge over the competition. Unlike some others, there is no protruding cap to cause damage or be damaged by hull bumps and scrapes. Cap unscrews with a hex head wrench for easy cleaning of the filter and pressure testing of the entire fuel system. These vents now include two silicone gaskets.
![Attwood 316 Stainless Steel Alloy Flush Mount Fuel Vent - Straight Vent [66031-3]](http://guidesupplies.com/cdn/shop/products/98060XL.jpg?v=1675641357&width=1445)
