Tracerline TP9790-BX EZ-Shot universal/ester A/C Dye Injection kit

Tracerline Universal/Ester dyes are compatible with R-1234yf, R-134a, and other widely used refrigerants. Tracerline dyes can remain safely within the system. EZ-Shot™ Dye Injection Kit TP-9749 EZ-Shot™ caulking gun-style dye injector assembly.