Manrose LVSF4TN | Steeple LVSF4TN 4 Inch Extractor Low Voltage Axial Fan with Timer 12V 240V | Denmans
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Airvent 434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1 : Amazon.co.uk: DIY & Tools
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