Interdynamics A/C Pro ACP-102 Ultra Synthetic A/C Recharge R-134a (12 ounces) Cools interior faster with colder, drier air Replaces lost refrigerant and oil in automotive A/C system Special anti-wear additives extend system life and improve performance System safe stop leak sealer stops most common A/C leaks with hoses, gaskets and O-Rings Contains moisture and acid eliminator