Replaces lost R-134a refrigerant and oil in automotive A/C system; ACME threaded top; Recharging hose sold separately | 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 and eliminate moisture buildup | Contains R-134a gas which is acceptable for use in motor vehicle A/C (MVAC) systems | Complies with Section 612 of the EPA Clean Air Act, EPA Compliant in Self Sealing Cans