MASTERCOOL 83736-K Deluxe R134a/R1234yf Conversion Kit, Blue, Red

Deluxe R134a/R1234yf Conversion Kit. Easily convert any R134a manifold gauge set to a R1234yf manifold gauge set. Package includes Mastercool (83834) high side R1234yf 12 mm-F x 17 mm coupler with extended disconnect sleeve, Mastercool (83934) low side R1234yf 12 mm-F x 14 mm coupler with extended disconnect sleeve, Mastercool (83633) 1/2 ACME-M x 1/2 ACME-F LH thread adapter and (2) Mastercool (83735) 12mm-M x 14mm-F R1234yf adapters.