【Leak-Proof Dual-Mode Cap】Features sealed and vented settings. Loosen the yellow nut to balance pressure, tighten it for a secure seal, ensuring smoother liquid transfer with minimal vapor release. 【Strong Compatibility】The boat tank comes with a 9.8 ft long fuel hose with a 0.3"/8 mm inner diameter, compatible with most marine tank interfaces. It's the perfect match for your outboard motor adventures, whether you're on a fishing boat, or chilling on a deck boat. 【Built Tough】With a hefty 6 gal/24L, our boat fuel tank is made of high-density polyethylene, resistant to aging, impact, and corrosion. It maintains its shape even after prolonged use, ensuring security and long service life. (Note: Avoid prolonged exposure to direct sunlight to prevent product aging and the risk of expansion.) 【Fuel Level Indicator and Integrated Filter】Stay informed about fuel levels and changes within the tank with a clear fuel level indicator, ensuring timely refills. The built-in marine fuel tank air inlet filter guarantees clean fuel for optimal performance. 【Portable and lightweight design】The 6 gallon (24 liter) capacity design is compact and lightweight, equipped with a non-slip handle and a convenient handle, suitable for outdoor carrying, meeting the fuel supply needs of equipment such as boats and generators.