HVAC HAND TURN DYE/OIL INJECTOR

Does not require a manifold gauge to use on low side of pressurized systems.
Great for introducing from 1/4oz. (7.5ml) up to 2 oz. (60ml) of U/V Dye,
Lubricants and Leak Stop to a closed A/C system without adding refrigerant.
Quick connect style coupler for HVAC systems.