| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | American Valve | AMVA G31 4 | G31 4" Lead Free Brass Swing Check Valve NPT |
| | American Valve | AMVA P420S 4 | P420S 4" PVC HORZ. SWING CK-SOC SCH80 |
| | American Valve | AMVA P440F 4 | P440F 4" PVC FLANGED SWING CHECK SCH80 |
