Specifications: - Outer diameter (inner duct diameter): 100mm; - Air flow efficiency: 80m3/h; - White ABS plastic; - All models equipped with anti-insect net; - Power: 230VAC, 50Hz connected with standard terminal block. Versions: - Standard switching: power supply to be hardwired to fan; - Standard + Pull Cord: possibly of turning off/on with additional pull cord; - Delay Timer: fan will run for adjustable amount of time after it is being switched off; - Humidity Sensor + Delay Timer: fan will run for adjustable amount of time after it is being switched off + additionally automatically switch on/off depends on set humidity level. 100mm Duct Size White Ventilation Fan Bathroom Air Flow Kitchen Extractor.