AC.142.071
① high-side 7/16 inch port
② low-side 7/16 inch port
③ high-side 3/8 inch port
④ high-side for 2-Piece GM port
For conversion of R12 to R134a
② low-side 7/16 inch port
③ high-side 3/8 inch port
④ high-side for 2-Piece GM port
For conversion of R12 to R134a