BlueDEF Diesel Exhaust Fluid

Mixture of 32.5% high purity synthetic urea and 67.5% deionized water is used in Selective Catalytic Reduction (SCR) systems on 2010 and later diesel engines.

Used to help convert NOx to harmless nitrogen and water. Stable, colorless, non-flammable, non-toxic. Conforms to ISO-22241-1 specification for DEF, is API registered and meets or exceeds OEM specifications. Made in USA.