Robinair Tracker Universal Super Concentrated A-C Dye comes in an 8 oz. bottle providing 32 applications. Brightest dyes in the industry to help find leaks faster. Compatible with all materials found in a vehicle&'s A/C system. Meets the new SAE J2297 standard for use with both R134A and R1234YF. OEM backed and approved. This Solvent-free formula exceeds all industry performance standards.