The Vent Axia Lo Carbon Revive fans are a range of continuously running, multi purpose units which can be used in the bathroom, utility or kitchen. Their easy installation and commissioning is backed up by low energy, low noise operation with intuitive, user friendly controls and a unique hybrid impellor design which repels dust and helps to keep your fan squeaky clean. The Lo Carbon Revive comes complete with a smart humidity sensor designed to respond to changes in man-made humidity, reducing nuisance running as well as a five year warranty.