- Dimensions: 11.40 in x 2.00 in x 1.40 in
R-134a oil injector, 1/2" Acme quick coupler. Use this syringe-type injector to add oil to a fully pressurized A/C system. Just fill the barrel with the amount of oil needed, connect the injector, and press the plunger. *Not recommended for UV dye injection.