ECSiNG Refrigeration Adapter 1 Pack 1/4 NPT Male to 1/2 ACME Male Compatible with R134a with Valve Core for Vacuum Pump Manifold

["- Thread Conversion Adapter: 1/4 NPT male to 1/2 ACME male, Compatible with R134a; bridges tools and cylinders for quick thread changes.","- Controlled Service with Valve Core: Machined brass resists corrosion and thread galling; integrated valve core enables controlled flow and clean disconnects.","- Leak-Resistant Seal: Tapered NPT and deep ACME threads form a tight seal when used with thread sealant or tape; supports evacuation, charging, and transfer.","- Broad Tool Compatibility: Compatible with vacuum pump, Compatible with manifold gauge, Compatible with refrigerant recovery tank and common service hoses.","- Compact and Versatile: 51 mm length and 13 mm hex allow access in tight spaces; ideal for home garage, classroom practice, mobile service, and shop work."]