| Cat. No. | For | For model | PK | |
|---|---|---|---|---|
| 4680667 | Rack for 171 test tubes 14.5 mm diam. | WTB15 / WTB24 | 1 | |
| 4680669 | Rack for 475 test tubes 14.5 mm diam. | WTB35 / WTB50 | 1 | |
| 4680671 | Rack for 119 test tubes 18 mm diam. | WTB15 / WTB24 | 1 | |
| 4680673 | Rack for 357 test tubes 18 mm diam. | WTB35 / WTB50 | 1 | |
| 4680675 | Rack for 45 test tubes 32 mm diam. | WTB15 / WTB24 | 1 | |
| 4680677 | Rack for 117 test tubes 32 mm diam. | WTB35 / WTB50 | 1 |