Complete A/C & Fluid 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, 8 oz (237 ml) of BigEZ™ Universal/Ester multi-dose A/C dye, services up to 64 vehicles, 1 oz (30 ml) bottle of dye for all circulating oil-based fluids, services 1 vehicle, 1 oz (30 ml) bottle of Standard Coolant dye, services 1 vehicle, EZ-Shot™ caulking -style dye injector assembly, 18” (46 cm) R-134a hose/coupler with check valve & purge fitting, 2 oz (60 ml) spray bottle of GLO-AWAY™ Plus fluorescent dye cleaner, & R-1234yf adapter TPOPUV16