Solid natural rubber stoppers are chemical resistant, making them extra robust and works well with all Test tubes, Flasks and Erlenmeyer. Available in a wide range of sizes.
Also, available two sizes of rubber stopper with holes (two) in stock for 250/500/1000ml Conical flasks.
Packing: 1 Pc/Pk.
| Item Code | Cork Number | Bottom | Top | Height |
| 401 xxx0 | 0 | 8 | 11 | 15.5 |
| 401 0001 | 1 | 10 | 14 | 18.5 |
| 401 0002 | 2 | 12 | 16 | 20 |
| 401 0003 | 3 | 14 | 18 | 21 |
| 401 0004 | 4 | 15 | 21 | 22 |
| 401 0005 | 5 | 17 | 22 | 23 |
| 401 0006 | 6 | 19 | 24 | 26 |
| 401 0007 | 7 | 20 | 25 | 28 |
| 401 0008 | 8 | 21 | 26.5 | 27.5 |
| 401 0009 | 9 | 21.5 | 28 | 31 |
| 401 0010 | 10 | 25 | 30 | 33 |
| 401 0011 | 11 | 28 | 33 | 33 |
| 401 0012 | 12 | 30 | 34.5 | 34.5 |
| 401 0013 | 13 | 31 | 38.5 | 37 |
| 401 0014 | 14 | 32 | 41.5 | 45.5 |
| 401 0015 | 15 | 37 | 42 | 40.5 |
| 401 0016 | 16 | 35 | 45 | 36.5 |
| 401 0017 | 17 | 40 | 49.5 | 40.5 |
| 401 0018 | 18 | 48 | 53.5 | 33.5 |
| 401 0019 | 19 | 44 | 58 | 45 |
| 401 0020 | 20 | 51 | 60 | 56.5 |
| 401 0021 | 21 | 47.5 | 60 | 45 |
| 401 0022 | 22 | 50 | 62 | 44 |
| 401 0023 | 23 | 62 | 75 | 45 |