Cliplight Inc. 909002 2 Pack Multi Purpose Dye Safe for all fuels and oils or oil based fluids Finds hard to isolate oil leak or fuel leak sources For use with UV or fluorescent dye lights Easy to dispense and no spill packets If you already own an A/C fluorescent dye light, add this dye to your kit Safe for all fuels and oils or oil based fluids For use with UV or fluorescent dye lights Easy to dispense and no spill packets If you already own an A/C fluorescent dye light, add this dye to your kit