Specific characteristics
| Model | Workhouse | Premium |
| Sound level at 2m | 42 dB(A) @ 600 m3/h | 32 dB(A) @ 600 m3/h |
| | 47 dB(A) @ 800 m3/h | 37 dB(A) @ 800 m3/h |
| | 55 dB(A) @ 1100 m3/h | 44,5 dB(A) @ 1100 m3/h |
| Sound absorbers (demontable) | NO | YES |
| Air intake filter | G4 | F7 |
| Air supply filter | H10 (H13 on option) | H14 |
| Inside panels | Galvanized steel | White painted galvanized steel |
| Fresh air intake | NO | On option |
| Bioxigen lamps | NO | YES |
| UV lamps | On option | On option |
