MULTIFUNCTIONAL: Professional automotive air conditioner 134A 1234YF compressor A/C injector kit for injecting oil and dye through low pressure suction side into the air conditioner compressor. Includes extra 2 pieces low side oil checker.
AC Oil Injector for R1234YF, R134A, R410A, HVAC Dye with 2 oz
AC Oil Injector for R1234yf R134a R410a, Dye with Shut-Off Yellow
SURIEEN AC Oil Injector Tool Kit, R134A Compressor with Quick...
gohantee AC Oil Injector Kit for R1234YF, R134A, R410A, HVAC Dye 2 oz