COMPLETE FUEL SYSTEM CLEANER: Diesel Extreme works through your entire fuel system removing harmful deposits, water, and sludge while improving cetane for smoother, more efficient combustion. PERFORMANCE BENEFITS: Results in easier starts, stronger acceleration, and reduced emissions for optimal diesel engine performance. PREMIUM FORMULA: Advanced diesel fuel additive containing cumene that enhances fuel quality and combustion efficiency. CONVENIENT SIZE: 16 oz bottle treats multiple tanks, providing long-lasting fuel system protection and maintenance. MADE IN USA: Manufactured in the United States with dimensions of 7.80 x 2.70 x 2.70 inches and weighs 1.04 pounds.