
| Fractional | Metric | ||
|---|---|---|---|
| Part No. | Tube O.D. | Part No. | Tube O.D. |
| AUBA 2-2 | 1/8 in (3.17 mm) | AUBA 2-2M | 3 mm |
| AUBA 4-4 | 1/4 in (6.35 mm) | AUBA 4-4M | 6 mm |
| AUBA 6-6 | 3/8 in (9.52 mm) | AUBA 6-6M | 9 mm |
| AUBA 8-8 | 1/2 in (12.7 mm) | AUBA 8-8M | 12 mm |
| AUBA 12-12 | 3/4 in (19.05 mm) | AUBA 12-12M | 19 mm |
| AUBA 16-16 | 1 in (25.4 mm) | AUBA 16-16M | 25 mm |
| AUBA 20-20 | 1-1/4 in (31.75 mm) | AUBA 20-20M | 32 mm |
| AUBA 24-24 | 1-1/2 in (38.1 mm) | AUBA 24-24M | 38 mm |
| AUBA 32-32 | 2 in (50.8 mm) | AUBA 32-32M | 50 mm |