The Vortice Penta MEV HCS Humidity Central Extract Multi-Room Fan provides efficient, quiet and uninterrupted ventilation creating permanent air movement through the property. Air is usually drawn into the property through background ventilators located in the building facades. However if the system is being installed to solve a noise issue, background ventilators may be omitted (subject to the proven airtightness of the dwelling). There is a boost facility on the fan which enables the extract rates from all wet rooms to be increased to effectively process increased pollutants caused by cooking or bathing activities. · · · Continuously running central extract unit · · IPX4 splash proof protection · · Humidity Sensor fitted to trigger fan boost · · 3 speeds · · Self-balancing unit · · Can ventilate a kitchen plus 5 additional wet rooms · · Can be fixed or suspended in any orientation · · Unit comes complete with a fixing bracket, suspension cord and two flow regulating spigots, this allows ventilation of a kitchen plus two wet rooms. If required additional flow regulating spigots can be purchased – see accessories · · Connections are 80mm and 125mm diameter · · DUCT: Can be used with either 80mm and 125mm diameter flexible aluminium or insulated aluminium ducts or rigid rectangular ducts