Useful Water Tank - A one-time injection molding, impact-resistant, compared to traditional iron fuel packs, it have lighter weight and stronger security, seamless barrel body, will not leak
Can be used for holding water or other liquid. Universal fit for all vehicles like car, truck, small size boat
Can be easily inserted into the tank opening, easy to use. (Storage/Refueling modes, putting in the barrel when storage, refueling out.)
Discouraged holes designed to prevent backflow of negative pressure generated to save more time and effort