Safeguards Your System: Engineered with safety in mind, these fittings are designed to prevent leaks and maintain the integrity of your car's air conditioning system. By providing a secure and airtight connection, they help preserve the system's efficiency and prolong its lifespan. Versatile Compatibility: for a wide range of applications, these quick couplers are compatible with R1234yf refrigerant systems, making them ideal for both and lowside connections. Their versatility ensures easy integration into various car AC systems, enhancing your and maintenance capabilities. Precision Engineered for Performance: Designed to meet the standards of quality, these 2Pcs 1234yf Adapter Fittings are crafted from stable copper to ensure performance in car air conditioning systems. Whether for evacuation or recharging, these fittings provide a secure and reliable connection every time. Stable and LongLasting: Built to withstand the rigors of automotive environments, these adapters are made from quality copper that resists corrosion and wear. This ensures longterm durability, reliability, and consistent performance, even under demanding conditions. Use Scenarios: Ideal for evacuation or recharge procedures in R1234yf systems, and suitable for both side and lowside connections during routine maintenance or work.