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 x Threaded | Socket Weld | Sweat x FIP | Sweat x MIP | Sweat | Threaded MIP | Threaded | 150lb