| Releaf Valve Assy (Option) |
| No. | Part No. | Description |
| 1 | 228-18565 | Male Nut, PEEK |
| 2 | | Coupling 1.6C, for i.d. 0.8 mm |
| 3 | | Tubing, ETFE, i.d. 1.0 × o.d. 1.6 |
| | | |
| Flow Selection Block (Option) |
| No. | Part No. | Description |
| 1 | 228-18565 | Male Nut, PEEK |
| 2 | | Coupling 1.6C, for i.d. 0.8 mm |
| 3 | | Tubing, ETFE, i.d. 1.0 × o.d. 1.6 |
| 4 | | Tubing, ETFE, i.d. 0.8 × o.d. 1.6 |