Overview
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.

AIR1 DEF has a shelf life of 18 months when stored properly.
AIR1 DEF exceeds ISO 2224 standards and is API-certified.
Fill AIR1 DEF into the separate DEF tank. It is NOT to be added to diesel fuel.
AIR1 Diesel Exhaust Fluid can be used in all diesel-powered vehicles where DEF is required.
Our DEF has a freezing point of -11°C/12°F. It can be thawed and used without product degradation.
Ideal for use in heavy and light-duty vehicles. Best used in new diesel engines with SCR technology.
Made In Canada with domestic and imported parts
We also sell oil, coolant, washer fluid, brake cleaner and brake fluid
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