DUPLEX 4500 Flexi 3
| Certified since | 7 февраля 2023 г. |
| Climate zone | Прохладный, умеренный |
| Air flow range from… | 1200 m3/h |
| Air flow range to… | 3200 m3/h |
| Specific electric power | 0,45 Wh/m3 |
| Heat recovery rate | 80% |
| Humidity recovery (winter) | - |
| Humidity recovery (summer) | - |
| Performance number | 10 |
| At external pressure | 294 Pa |
| Available external pressure (with installed filters) | 253 Pa |
| Company headquarters | Czech Republic (CZ) |