£23.92 inc VAT Silverhook AdBlue® Diesel Exhaust Treatment Additive is a non-toxic, non-flammable and biodegradable urea and water-based liquid additive that processes the gases in a car exhaust system to remove harmful nitrogen oxide (NOx) emissions. The ready-to-use treatment additive is suitable for diesel vehicles fitted with SCR converters. Produced to ISO 22241. Size: 10 litres (10kg) Add to Basket Quantity