Used in fluid plumbing applications to connect a FPT thread to a reduced size of a MPT fittings.
| PART # | MPT | FPT |
| RB 34-12 | 3/4" | 1/2" |
| RB 10-12 | 1" | 1/2" |
| RB 10-34 | 1" | 3/4" |
| RB 114-34 | 1 1/4" | 3/4" |
| RB 114-1 | 1 1/4" | 1" |
| RB 112-34 | 1 1/2" | 3/4" |
| RB 112-1 | 1 1/2" | 1" |
| RB 112-114 | 1 1/2" | 1 1/4" |