| 474 Pipe-Lock Coupling, Reducing, DI X DI Pipe-Lock™ Joint Restraint Couplings |
| For connecting plain-end D.I. to plain-end D.I. |
 |
| 474 Pipe-Lock Coupling, Reducing, DI X DI Pipe-Lock™ Joint Restraint Couplings |
| For connecting plain-end D.I. to plain-end D.I. |
|