1in | Bushings | Grate | Reducer Coupilng | Reducer Coupling | Reducing Coupling | 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 | Socket Weld | Threaded MIP