3/8in x 1/4in | 4in x 1in | G 1/2 B x 1/2 in. Male National Pipe Thread (MNPT) with 1/4 in. Female National Pipe Thread (FNPT) | Gasketed | MIP Threaded | MNPT x Push-to-Connect | Slip On | Socket Weld or Threaded True Union | Socket Weld | Sweat x FIP | Sweat x MIP | Sweat