6,、8, 10 , and 12 inches wall mounted exhaust fan (FAN SIZE not installation dimension) 100% pure copper motor Anti-vibration mounting Equipped with thermal fuse Self-lubricating motor Reduced noise Light weight Voltage: 220V Energy saving, low noise, high efficiency Case Size: - Size 6" = 250 x 50 x 250mm - Size 8" = 290 x 50 x 290mm - Size 10" = 340 x 50 x 340mm - Size 12" = 390 x 50 x 390mm Installation Dimension (cut a hole with the following diameter): - Size 6" = 19.5 x 19.5cm - Size 8" = 24.5 x 24.5cm - Size 10" = 29.5 x 29.5cm - Size 12" = 33x 33cm Power: - Size 6" = 28W - Size 8" = 36W - Size 10" = 40W - Size 12" = 50W Airflow: - Size 8" = 8.5m³/min - Size 10" = 12.0m³/min - Size 12" = 18.0m³/min Noise Level: - Size 8" = 50dB - Size 10" = 52dB - Size 12" = 56dB