Envirovent SIL100IT Silent Extractor Fan 4" 100MM for Bathroom Intelligent Timer

• Intelligent timer function - see product description below
• Mains 230/240v AC. Extract Rate: 26 litres per second, 96 cubic metres per hour
• Sound output: 26.5 dB (A) @ 3 metres
• Power Consumption: 8 watts
• Dimensions: 158mm wide x 158mm high. Spigot is 99mm diameter (for connection to 100mm ducting) and projects for 80mm beyond installed surface.

The over-run timer matches the amount of time that the fan has been on for. This means that a 7 minute operation will result in a 7 minute over-run and likewise a 27 minute operation will result in a 27 minute over-run. The fan will track time up to a maximum of 30 minutes. This model can also be Installed to an exact over-run set time of 5 minutes, 20 minutes or 30 minutes.