| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Apollo Conbraco Industries | 4N3B55B | OBS DUAL CHECK,1",4N-300 SER, (MNPT X MNPT, NON-TESTABLE) |
| | Apollo Conbraco Industries | 4N3C54B | OBS DUAL CHECK,1"NPSM X 3/4"MN (DUC4N SER,BRZ,NON-TESTABLE) |
| Manufacturer | Apollo Conbraco Industries |
| Series | 4N-300 |
