MotorPower Care ( DPF ) diesel particulate filter cleaning kit, high quality: This kit includes two products, one for the tank (diesel additive) and the other a foam spray for directly cleaning. This kit cleans by dissolving carbon build-up in the DPF area, which is ideal for an application not passing the emissions test (smog). It helps the regeneration cycle to run less time, this kit is safe on the DPF materials. ADVANTAGES - Removes existing deposits - Protects against heavy dirt with regular use - Provides the engine performance Restores - Ensuring the proper operation of the oxygen sensor/catalyst / the turbocharger and the EGR valve - Prevents or eliminates problems that appear on OBD Product properties.