20 OZ, A/C Pro Professional Formula Refrigerant, For Automotive Car Systems, Ultra Synthetic, Provides Maximum Cold Air, Seals Air Conditioning Leaks, Extends System Life, Cools Interior Faster With Colder, Drier Air, Replaces Lost Refrigerant & Oil In Automotive Air Conditioning System, Reusable Trigger Dispenser With Built In Low Pressure Gauge & Temperature Dial Indicator, 24" Recharge Hose For Accessing Hard To Reach Service Ports, Self Sealing Valves That Reduce Accidental Emissions Of R-134A Gas, California Compliant.