Smoke Refill F/6525 16OZ.

Features and Benefits:

• UltraTraceUV™ dye solution is the only solution approved by GM, Ford, and Chrysler

It will not harm the activated charcoal canister, ORVR valve, purge valve, vent valve, catalytic converters, O2 sensors, seals, or gaskets. UltraTraceUV™ dye will not void factory warranty.