The SYMPHONY fan provides invisible comfort for your home and office. Designed for efficient ventilation in bathrooms, kitchens, toilets, and offices, it is completely concealed within a stretch ceiling, maintaining the aesthetics of your interior. The flange diameter is 100 mm, which simplifies installation with corresponding diameter air ducts. The SYMPHONY 4S BB is equipped with a ball-bearing motor, allowing you to install the device both in the wall and in the ceiling. Physical Specifications: • Barcode: 4605098103853 • Manufacturer code: SIMFONIYA 4S BB • Dimensions (cm): 5 (H) x 12 (W) x 12 (L) • Weight: 0.5 kg • Mounting method: Wall/Ceiling • Color: White • Protection rating: IP22 • Depth: 80 mm • Body material: Polystyrene • Rated voltage: 220 V • Included accessories: Insect screen • Direction (Type): Axial • Connection kit: No • Noise level: 28 dB • Nominal diameter: 99 mm • Performance (Airflow): 50 m³/h • Frequency: 50 Hz • Operating temperature: 1°C to 40°C • Unit of measurement: Piece • Quantity per package: 1