Struggling with incompatible AC fittings during refrigerant recharge? Our copper retrofit adapters resolve the hassle with reinforced accuracy. Designed for mechanics who demand resilient solutions, this 3-piece set converts R134A bottles to your vehicle's AC system in seconds. The refined copper construction resists oxidation 5x longer than budget alloys, while the SAE-threaded design ensures secure seals every time. Stop wasting money on temporary fixes - this commercial-grade kit delivers extended service in extreme heat and pressure conditions. Item Type: Retrofit adapter parts Material: Copper Bottle adapter parts are for connecting 1/4 in SAE thread. 2 long adapters are with female thread 1/4 SAE Package List： 3 x Retrofit Adapter Parts