| Softgoods Material | Silicone Rubber Seal |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT 0590721 | 1 FV-4M1 0590721 |
| | Watts Regulator Company | WAT 0590722 | 1/2 FV-4M1 0590722 |
| | Watts Regulator Company | WAT FV-4M1 1/8 | 1/8 FV4M1 W-CZN 0251206 Automatic Vent Valve FV4M118 |
| | Watts Regulator Company | WAT 0590723 | 3/4 FV-4M1 0590723 |
| | Watts Regulator Company | WAT FV-4M1 1/4 | 1/4 FV4M1 W-CZN 0251208 Automatic Vent Valve FV4M114 |
