Clear glass. For secure storage of small sample volumes. With 16 -22,75 mm (+/- 0,25 mm) diam. neck, therefore also suitable for solids.
| Manufacturer: | Resch Laborglas | 
| Article description 1: | Test tubes, threaded, 5 ml, 41 x 20 mm, DIN 18, | 
| Article description 2: | clear glass, pack of 100 |