Amazon.com: 2 Pieces 6015 R134A Brass Refrigerant Tank Adapter to R12 Fitting Adapter 1/2 Female to 1/4 Male Flare Adaptor Valve Core and 6014 Vacuum Pump Adapter 1/4 Inch Flare Female to 1/2 Inch Male : Automotive
Vacuubrand 669041 Flange Adapter Vacuum Pump Fitting, Aluminum, NW 16 to NW 25 from Cole-Parmer
Amazon.com: AIVS 4 Pieces 6014 Vacuum Pump Adapter 1/4 Inch Flare Female to 1/2 Inch Male and 6015 R134A Brass Refrigerant Tank Adapter to R12 Fitting Adapter 1/2" Female to 1/4" Male