BF 9 The Best Price extraction system with a powerful carbon running motor has basic control electronics and a 2-stage filter. It is suitable as a mobile extraction solution for occasional use, < 1 hour per day.

| Title | BF 9 |
| Air volume flow | 20 – 100 m³/h |
| Effective air volume flow | 4,5-30 VDC |
| max. static pressure | 1900 Pa |
| Voltage | 230/120 V |
| Frequency | 50/60 Hz |
| Engine power | 0.7 kW |
| Sound level | ca. 64 db(A) |