Injector hose comes complete with a R1234YF coupler. To inject the oil or dye, simply connect the injector to the low side of the A/C system and twist the handle until you reach the desired amount.
Mastercool 134a Oil and UV dye injector. Add refrigerant oil or large amounts of UV leak detection dye. Includes a low side coupler. 1/2" ACME-M x 1/2" ACME-F (R134a). Instruction pdf.
Can also be used for fluorescent dyes. Just fill the barrel with the amount of oil needed (measurements are marked on the barrel body) Connect the injector fitting to the low side access port on the...
The world's most popular and professional injection method. Pull the trigger to inject a precise amount of oil into the A/C system and you're done. Allows for compliance with J2843 Standard (separate...
UV Dye Injector Refillable Type Includes hose with a R134a coupler and auto shut-off valve adapter for 1/4" FL systems, and 2 oz. Bottle of Concentrated A/C Dye (25 Applications)