Boltigen R1234YF Refrigerant Tank Adapters, R12 to R1234YF Adapter Connector, 1/2 LH to 1/4 Flare R1234YF Vacuum Pump Adapter Fittings with Valve Core Remover. 【Application】R1234YF tank adapters are suitable for charging and service tools, can be applied to vacuum pump, can tap, hose or oil injector to adapt between R12, R22 system and R1234YF systems.
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