Different filling materials are mixed within 30 sec. by two fast moving stirring-devices mounted one upon another. The materials are kept loose for uniform suction with a blower-filler Type GFE.
| Type | FDM-3000-S | FDM-8000 |
| Capacity approx. | 3 m³ | 8 m³ |
| Motor | 2 x 3,0 kW | 2 x 3,0 kW |
