The supports of the tube racks can be inserted in 2 different positions. Thus you get a holder for one 15 ml or one 50 ml tube. Autocavable.
| Manufacturer: | Bel-Art Products |
| Article description 1: | Conical tube holder |
| Article description 2: | for 15 & 50 ml tubes |
| Article description 3: | pack of 4 |
