Injector Pro Clean is a concentrated, one tank clean up product that will reduce smoke, improve performance, and reduce emissions. Injector Pro Clean meets or exceeds OEM Deposit Test Performance Standards, Cummins Engine L-10 Superior Injector Depositing Test Standard. Injector Pro Clean cleans injectors, combustion chambers, turbochargers, and coolers, and intake manifolds restoring lost performance. Use annually or whenever deposit related performance issues are suspected. Safe to use with all exhaust after treatment devices.