Blue Sky Diesel Exhaust Fluid (DEF)

Since 2010, Blue Sky has been providing the highest quality diesel exhaust fluid to satisfied customers throughout North America. Whether in vehicles large or small, on- or off-road, Blue Sky DEF is a trusted and environmentally responsible emission-control solution for diesel-powered engine operators everywhere. PURE QUALITY As any operator knows, the purity of diesel exhaust fluid is essential for allowing engines and selective catalytic reduction (SCR) systems to operate at their peak performance, while at the same time reducing harmful pollution. Produced using deionized water and our proprietary reverse osmosis water purification system that exceeds stringent ISO 22241 and American Petroleum Institute standards, Blue Sky DEF prevents SCR breakdown, reduces harmful nitrogen oxide emissions by 90% and even improves fuel efficiency by up to 8%. In short, Blue Sky DEF makes your engines run better and helps you protect the environment, all while allowing you to keep more of you...