Attwood has engineered the industry's only comprehensive EPA certified fuel tank-to-engine solution. Tough materials and innovative design stand up to harsh marine conditions. 12-gallon tank is ideal for pontoon boats where more fuel capacity is needed. Includes gauge; low profile saves space Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.