Wide Compatibility ---- The R134A self-sealing can tap refrigerant dispenser with tank adapter, connects all R134A automotive air conditioning refrigerant cans. Refrigerant bottle opener with 1/2" ACME female/internal thread, the 1/4" SAE male/external cooling pipe connection thread can direct fitting for R12 R22 manifold. The 1/4" SAE female x 1/2" ACME male tank adapter fitting for R134A manifold R134A Self-Seaing Can Tap Valve ---- This r134a self sealing can tap designs with hand operated punch/valve control, it can only be used for self-sealing cans with 1/2" ACME thread (Can capacity usual greater than 6OZ or so-called big cans), either cannot be used on puncture style cans Useful Tank Adapter ---- The R134A car air conditioning tank adapter comes with 1/4" SAE female x 1/2" ACME male flare, connects to R134A manifold Premium Quality ---- This R134A refrigerant self-sealing can tap with adapter is made of heavy-duty brass alloy for durable using, with screw-on design and safety check valve, even working under extreme conditions, features with long-lasting seals to prevent leaking Precision Engineering ---- Triple sealing with locking nuts, precision threads, and reinforced O-rings ensures safe, leak-free refrigerant charging every time. The screw-in T-handle enables effortless connection and disassembly, streamlining operations for secure, reliable connections