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Feature

Less costly and faster than many other methods
No back-up refrigerant to move dye into system
Not for direct injection into r-410a systems due to high pressure

Description

Yellow Jacket 69721 1 oz. (30 ml) injector (2 pak) (4 residential applications/package) is a universal disposable 1 oz. Applicator for fast economical dispensing. The Yellow Jacket 69721 is also a universal dye for all common refrigerants and oils.