DUPLEX 3500 Flexi 3
| Certified since | Feb. 7, 2023 |
| Climate zone | Cool, temperate |
| Air flow range from… | 1000 m3/h |
| Air flow range to… | 2500 m3/h |
| Specific electric power | 0.44 Wh/m3 |
| Heat recovery rate | 81% |
| Humidity recovery (winter) | - |
| Humidity recovery (summer) | - |
| Performance number | 10 |
| At external pressure | 279 Pa |
| Available external pressure (with installed filters) | 229 Pa |
| Company headquarters | Czech Republic (CZ) |






