R1234yf/PAG A/C Dye UV Leak Detection Kit Complete A/C and Fluid Dye UV Leak Detection Kit. Tracerline Universal/Ester dyes are compatible with R-1234yf, R-134a, and other widely used refrigerants. Kit Includes: OPTI-PRO™ UV cordless, violet light LED leak detection light, (3) 0.25 oz (7 ml) cartridges of Mini-EZ™ R-1234yf/PAG single-dose A/C dye, services up to 3 vehicles, EZ-Ject™ dye injector assembly, R-1234yf hose/coupler & purge fitting, & 2 oz (60 ml) spray bottle of GLO-AWAY™ Plus fluorescent dye cleaner TPOPUV19 Yes - LEAD