Where two types of stone fill are required, additional loose panels can be supplied and fitted on site to separate the two types of fill materials.
| Standard size (m) | No. of diaphragms (no.) | Capacity per box (m³) |
| 1.0 x 1.0 x 0.5 | Nil | 0.50 |
| 1.0 x 1.0 x 1.0 | Nil | 1.00 |
| 1.5 x 1.0 x 0.5 | Nil | 0.75 |
| 1.5 x 1.0 x 1.0 | Nil | 1.50 |
| 2.0 x 1.0 x 0.5 | 1 | 1.00 |
| 2.0 x 1.0 x 1.0 | 1 | 2.00 |
| 3.0 x 1.0 x 0.5 | 2 | 1.50 |
| 3.0 x 1.0 x 1.0 | 2 | 3.00 |
| 4.0 x 1.0 x 0.5 | 3 | 2.00 |
| 4.0 x 1.0 x 1.0 | 3 | 4.00 |