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AIR1 Diesel Exhaust Fluid (DEF) is the ultimate solution for achieving maximum diesel engine performance and efficiency. Our pure aqueous solution consists of 32.5% high-purity urea and deionized water, meeting the toughest industry standards. AIR1 DEF is free of dissolved minerals and impurities, preventing clogging or damage to SCR systems and ensuring warranty coverage. AIR1 DEF exceeds the ISO 22241 standards and is API-certified, providing superior purity and composition. By reducing nitrogen oxide (NOx) emission levels during combustion, AIR1 DEF plays a crucial role in lowering the impact of air pollution caused by vehicles. AIR1 DEF offers high product quality for new diesel-powered engines using SCR technology. Experience the highest standards of purity, performance, and compliance with AIR1 DEF.

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