Technical parameters:
| Item No | Wall thickness mm | Total height mm | Internal height mm | Internal width mm | Length mm | Load class |
| 25150 | 25 | 150 | 125 | 100 | 1000 | F900 |
| 25200 | 25 | 200 | 175 | 100 | 1000 | F900 |
| 20250 | 25 | 250 | 225 | 100 | 1000 | F900 |
| 25300 | 25 | 300 | 275 | 100 | 1000 | F900 |

