The Attwood #1607-3 Straight Fuel Tank Vent is designed for use with a 5/8" I.D. vent hose on boats. It is a product produced by Attwood, a reputable brand known for their marine accessories. This fuel tank vent ensures proper ventilation in the boat's fuel system, allowing for the safe and efficient operation of the vessel. The straight design of the vent makes it easy to install and ensures a secure connection with the vent hose, providing peace of mind to boat owners.