| Lineup Vents TwinFresh Style | Air flow in ventilation mode, m³/h | Air flow in heat recovery mode, m³/h | Sound pressure level LpA at 3 m, dB(A) | Heat recovery efficiency, max, % | Humidity sensor | Maximum wall thickness, mm |
|---|---|---|---|---|---|---|
| 50 | 25 | 26 | 90 | Optional | 490 | |
| 50 | 25 | 26 | 90 | Optional | 490 |