| Model | Part Number |
|---|---|
| Sight Glass 1/4″ Flare | 3910/22 |
| Sight Glass 3/8″ Flare | 3910/33 |
| Sight Glass 1/2″ Flare | 3910/44 |
| Sight Glass 3/4″ Flare | 3910/66 |
| Sight Glass 5/8″ Flare | 3910/55 |
| Sight Glass 7/8″ Solder | 3940/7 |
| Sight Glass 1 1/8″ Solder | 3940/9 |
| Sight Glass 1 5/8″ Flare | 3770/13 |
