Classified as Minimum Risk for Transportation; Helps Convert Nitrogen Oxide to Harmless Nitrogen and Water; Mixture of 32.5% High Purity Synthetic Urea and 67.5% Deionized Water; Non-Toxic; Stable
Manufacturer Part Number
Country of Origin
USA (subject to change)
DEF is a mixture of synthetic urea and water that is added to diesel exhaust systems to lower or remove toxic nitrogen oxide emissions. It is nontoxic but will freeze in temperatures under 12°F and can corrode aluminum or carbon steel containers if stored improperly.