R12, R134a, and R1234yf Can Taps, Sockets, and Adapters - global parts distributors, llc
Amazon.com: R1234yf Adapter Kit, R1234yf Quick Couplers Set, High/Low Pressure Side R1234yf Manual Connector Kit, with Self-Sealing and Puncture Style R1234yf Can Tap, tank adapter and valve core remover : Automotive
Amazon.com: AC R134a to R1234yf Adapters Quick Coupler Kit R134a High Low Side Quick Coupler, R134a R1234yf Self-Sealing Can Tap, R134a to R1234yf Conversion Adapter Valve Core Remover Tool, for A/C Freon
R1234yf to R134a Low Pressure Quick Connect Coupler Hose ...