Hayward Industries Inc - Flow Control | 1-1/2in | 150lb Flange | Conpression | G 1/2 B x 1/2 in. Male National Pipe Thread (MNPT) with 1/4 in. Female National Pipe Thread (FNPT) | Socket Weld x MIP | Socket Weld x Threaded | Spigot x Threaded | Threaded MIP