The special offer includes:
| Biological septic tank | |
| Model | ECO10 |
| Number of users | 10-12 |
| Dimensions (cm) | |
| Overall height | 1700 |
| Vat height | 1500 |
| Inlet | 1400 |
| Outlet | 1350 |
| Diameter (cm) | |
| Vat (Ø) | 1300 |
| Inlet pipe (Øi) | 110 |
| Outlet pipe (Øe) | 110 |
| Manhole (Ø xh) | 500x200 |
| Biogas (Ø) | 1" |
| Volume (litres) | |
| Useful | 1860 |
| Total | 2000 |