Architecture type | Product number | Unique product feature | Trench width | Product length |
|
|
| cm | m |
Chamber | 1 | 31-cm width | 46 | 4.4 |
| 2 | 56-cm width | 61 | 4.4 |
| 3 | 61-cm width | 61 | 4.4 |
| 4 | 41-cm width | 41 | 5.4 |
| 5 | 61-cm width | 61 | 5.4 |
Gravel-less-pipe | 6 | 20-cm diameter | 41 | 6.1 |
| 7 | 25-cm diameter | 46 | 6.1 |
Polystyrene-aggregate | 8 | Single bundle | 30 | 6.1 |
| 9 | Double bundle | 61 | 6.1 |
Pipe-and-aggregate | 10 | Gravel | 30 | 6.1 |
| 11 | Gravel | 46 | 6.1 |
| 12 | Tire-chip | 61 | 6.1 |
| 13 | Gravel | 61 | 6.1 |