Refillable Universal Dye Injector

* 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 * The injector hose comes complete with a R134a coupler and auto shut-off valve adapter for 1/4″FL systems * Includes 2 oz. Bottle of Concentrated A/C Dye (25 Applications)