Rotopax Gasoline Container Features: Leak-proof and durable, with thicker walls and stronger construction. The sure-seal gasket guarantees your spout won't leak or vibrate loose. Spout included. RotopaX are the only rotationally molded EPA and CARB compliant containers available for sale in the United States. (This is thanks to a patented three-layer Roto-Molding process, along with specialty formulated plastic barrier material, to meet the government's new extremely low permeability requirements. CARB EO: G-11-044B. Roto-molded Tough Construction *1 & 2 gallon options require one mount. *4 gallon option requires two mounts. DLX Pack Mount Info Made in the USA.