Blue Def Diesel Exhaust Fluid – 1/2.5GL

Driving to a cleaner environment – BlueDEF is a quality product made from high-purity synthetic automotive-grade urea and deionized water. BlueDEF is stable, colorless, non-flammable and non-toxic, classified as minimum risk for transportation. This formula conforms to the ISO-22241-1 specification for DEF, is API registered and meets or exceeds OEM specifications.