EnviroSafe R1234yf, Easy Installation 4oz Automotive Refrigerant Support 2 Pack

Easy installation with the included automotive refrigerant support and gauge. Helps eliminate moisture in the A/C system, preventing corrosion and freezing. Reduces friction in the system, resulting in colder air duct temperatures in most cases. Compatible with any automotive refrigerant except ammonia and CO2. Promotes colder air and enhances system longevity. Functions as an A/C booster. Precision 2-Inch Gauge with High Quality Fittings for easy monitoring of your system's pressure. Designed to safely connect Artic Air for R1234yf to R1234yf systems, specifically for non-valve style R134a cans. Acts as a drying agent.