3/8 inch, short tubing length, used for plumbing.
| Bill Of Materials | Qty | Unit | Total | Notes |
| labor machining (min) | 68 | min | 72.76 | |
| SS316 EP tubing 375 x 035 | 48 | in | 38.88 | |
| SS316 EP tubing 375 x 035 x 1.316 | 34 | ea | 111.64 |
| Used on | Qty |
| CEGS Vacuum System v8 | 21 |
| Purdue - Add two pumped furnaces | 9 |
| IP kit | 3 |
| Tulane CEGS system upgrade 2020 | 4 |