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 | Sweat x FIP | Sweat x MIP | Threaded MIP | Threaded x Threaded | 1/2" x 3/4"