Arctic Freeze Synthetic Refrigerant R-134a, 12 ounces

Replaces lost 134a refrigerant and oil in automotive A/C system System-safe leak sealer additive seals common A/C leaks in rubber hoses, gaskets, and O-rings Formulated with advanced QwikBoost chemistry for colder air up to 50% faster (QwikBoost is a registered trademark of Mainstream Engineering Corporation) Eliminates moisture buildup and acid from A/C system to extend A/C system life ACME threaded top