Sunvent SVT-012 white ABS plastic solar powered fan ventilator,designed for domestic, marine or caravan use,these can be mounted on metal, glass, fibreglass,brick surfaces etc,they ventilate and extract heat and odours and are great for use in conservatories,bathrooms,greenhouses,boats,sheds etc,great for summertime use but they can also be used during the winter months to help extract damp air,the ventilator is constructed within a weather and water resistant ABS plastic housing for protection against the elements, Size is 215mm x 50mm high,the hole cutout size needs to be between 116mm and 120mm max,these solar ventilators are fully Automatic so will start extracting whenever it is bright or sunny weather,the powerful monocrystalline cells help to keep the fan running even in fairly cloudy conditions making it great for year round use and ideal for solar ventilation purposes,Please note,the solar cell configuration on the top of the solar ventilator may differ from batch to batch and these are not supplied with a vent plate to fit on the interior wall though this isnt a necessity,extraction rate for these solar ventilators is approx 678 Cubic feet per hour or approx 19 Cubic metres per hr in full sun,if you only need to ventilate during daylight hours these are a fantastic little ventilator that work well year round,Price includes vat and UK delivery.

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