Robinair (16241 Tracker Universal A/C Fluorescent Dye - 8 oz. Bottle, 64 Applications 8oz. Tracker Universal A/C Fluorescent Dye features sixty four 1/8 oz applications all in one convenient bottle Brightest dye in the industry makes it easier to locate leaks - saving you time and effort Meets and exceeds all industry performance standards for UV leak detection OEM backed and approved, solvent-free formula is compatible with all materials found in automotive air conditioning systems Meets the SAE J2297 standard for use with both R134A and R1234YF and is REACH and CLP compliant