DEF Crystal Clean Diesel DEF & SCR Emissions System Cleaner

The DEF Crystal Clean Diesel DEF & SCR Emissions System Cleaner from Rislone is a proprietary blend of cleaning agents designed to scrub away crystal contaminants from SCR systems in diesel vehicles. The formula clears P20EE and related OBD codes and restores SCR function. Regular use every 5,000 miles keeps the system clean, helps prevent new crystals from forming, and improves emissions components life. To use, pour it into a mostly full DEF tank or add it and top off with DEF. The cleaner is made in the U.S. and will not void manufacturers’ new vehicle warranties.

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