| Gel length/ size | Length | Circumference distal | Circumference proximal | Item-No. |
| 20 cm / 1 | 25 – 34 cm | 17 – 24 cm | 17 – 26 cm | 26A20/1 |
| 25 cm / 2 | 38 – 44 cm | 18 – 28 cm | 18 – 32 cm | 26A20/2 |
| 25 cm / 3 | 38 – 44 cm | 20 – 34 cm | 20 – 38 cm | 26A20/3 |
| 33 cm / 4 | 43 – 49 cm | 20 – 34 cm | 20 – 38 cm | 26A20/4 |
| 25 cm / 5 | 43 – 49 cm | 23 – 37 cm | 23 – 43 cm | 26A20/5 |
| 33 cm / 6 | 46 – 54 cm | 23 – 37 cm | 23 – 43 cm | 26A20/6 |
| 33 cm / 7 | 46 – 54 cm | 28 – 42 cm | 28 – 49 cm | 26A20/7 |
| 33 cm / 8 | 46 – 54 cm | 31 – 50 cm | 31 – 56 cm | 26A20/8 |
