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Sub-Zero R-134a with Stop Leak contains approximately 11 oz. of R-134a and 1.3 oz. of additives. The stop leak additive seals common leaks in rubber components of the A/C system. By sealing leaks, the special formula helps prevent future loss of refrigerant.

R-134a Quick Cool is used to replace lost refrigerant. It features PAG oil to lubricate and quiet worn and noisy compressors. O-ring conditioner is used to improve durability and contains Stop Leak to seal most common leaks in rubber hoses, gaskets and o-rings. The can also has a built in disposable dispenser in a cap.