✔️ CORRECT R134A TANK CONNECTION – 1/2" ACME female thread mates to standard R134a recovery/charging tank service ports. ✔️ 16 MM HIGH-SIDE INTERFACE – Opposite end accepts 16 mm high-side R134a couplers, ensuring a precise, leak-resistant fit. ✔️ STREAMLINES SERVICE – Simplifies hookups between tanks, hoses, and manifold/coupler sets during recovery, evacuation, and charging. ✔️ DURABLE, SHOP-READY BUILD – Machined metal construction designed for repeated connect/disconnect cycles in professional environments. ✔️ COMPACT, LOW-PROFILE FORM – Short, straight adapter minimizes stack height and interference at the tank port. ✔️ U.S.-BASED SUPPORT – Backed by Mastercool’s knowledgeable customer service team.