| Type | Wall box |
| Brand | But |
| comparison result | TOP Productstest-vergleiche.com1,6good |
| Manufacturers | But |
| Material | Stainless Steel |
| steering | Air pressure |
| Shutter | Gills |
| especially suitable for | Energy-efficient or energetically refurbished buildings |
| Backflow flap | Ja |
| Tube ø | 150 mm |
| Core hole ø | 155 mm |
| Installation depth | 35 ?? 50 cm |
| External grille | kA |
| Features | with thermobox |
| Benefits |
|
| Conclusion | Wall box with heat retention system |
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