SODIAL(R) 1pcs New R134A Adapters Refrigerant Tank/Vacuum Pump 1/4" Flare Female x 1/2"Acme Male Material: Aluminum Length: 3cm Color: Gold 1/4"Flare Female x 1/2"Acme Male Connects R12/R22 hoses to R134A Tanks or vacuum pumps with the 1/2" Acme R134A threads