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
Edwards C105-14-645 Vacuum Pump Fittings, aluminum adapter, NW 25 by 1/2 to 3/8" hose barb from Cole-Parmer
1234yf Vacuum Pump Adapter 1/2" ACME - TSI Supercool
Parts to Build Your Own Chamber: Vacuum Pump Adapter
Ideal Vacuum | Rubber Hose Adapter to Welch Vacuum Pump (New Style), Models 1399, 1400, 8805, 8890 Hose ID 7/16, 1393J Barb
Yellow Jacket 36019 3/8" Vacuum Pump Adapter with 1/4" Flare & 1/2" Acme Male Fittings | TEquipment
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
Mastercool 82031 T-Style Vacuum Pump Adapter Fitting - at the Test Equipment Depot