Front Ferrule
INCH OD Tubes
| T Tube OD | Fluid Controls Part No. |
| 1/16 | 1 ff |
| 1/8 | 2 ff |
| 1/4 | 4 ff |
| 5/16 | 5 ff |
| 3/8 | 6 ff |
| 1/2 | 8 ff |
| 5/8 | 10 ff |
| 3/4 | 12 ff |
| 7/8 | 14 ff |
| 1 | 16 ff |
| 1.1/4 | 20 ff |
| 1.1/2 | 24 ff |
| 2 | 32 ff |
METRIC OD Tubes
| T Tube OD | Fluid Controls Part No. |
| 3 | ff-3 |
| 6 | ff-6 |
| 8 | ff-8 |
| 10 | ff-10 |
| 12 | ff-12 |
| 14 | ff-14 |
| 15 | ff-15 |
| 16 | ff-16 |
| 18 | ff-18 |
| 20 | ff-20 |
| 22 | ff-22 |
| 25 | ff-25 |
| 28 | ff-28 |
| 30 | ff-30 |
| 32 | ff-32 |
| 38 | ff-38 |
