No-Spill fuel cans are tested and certified to meet standards and specifications for portable fuel containers for consumer use. Professional quality. Patented self-venting, self-sealing nozzle; just pick up, tip, and press the button to pour. Flows up to 3 gallons per minute. Nozzle stops flow automatically when the tank reaches full. Unique features include quart and liter markings molded into the can for easy reference and mixing. Tapered 7/8 OD (outside diameter) spout has a 20 mesh stainless steel screen in the spout to filter out debris while pouring. Dust cap attached to protect spout from dust and debris when not pouring. Flex spout attachment, sold separately, will allow filling of vertical openings easier. CARB (California Air Resources Board) and EPA (Environmental Protection Agency) compliant.