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)