HUMPHREY SQE-1 QUICK EXHAUST VALVE * USED *
| Condition Codes | Description |
| NSFS | New Surplus Factory Sealed |
| NSMS | New Surplus Manufacturer Package |
| NSNS | New Surplus No Manufacturer Package |
| UNMS | Used Or Repaired No Manufacturer Package |
| REMAN | Remanufactured Like New |