The competition cant stack up, but the Fuelworx stackable fuel system can! Optimized with a fast-flow vent and a start/stop with a 360-degree rotating trigger gives you mess-free and rapid refueling, every time. Cheaply made gas cans caused enough aggravation that lead to a grassroots U.S.A. made innovation system that is the Fuelworx stackable gas can system. The stackable system works with all size cans and lets you declutter and efficiently take your fuel with you to work and play. Professional grade and patented features are why customers are only choosing Fuelworx stackable fuel system.