406959 Description: The Quiet Fan with Humidistat is the latest in domestic ventilation to incorporate a high extraction whilst producing an incredibly quiet running volume. Designed for wall and ceiling mounting, this comprehensive range is ideal for bathrooms and toilets. The unit also comes complete with a performance enhancing turning vane system located in the spigot to improve.. How quiet: 20 dB Colour: White Timer: Yes Size: 100mm (4″) The Xpelair C4HTS is a terrific extractor fan choice, coming in at 20 dB.Advertised at 16 dB we believe it's closer to 20 dB, which is still the quietest we've tested.. This model comes in four variations, each with different extras like a Timer, Pull Cord and Humidistat.

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Specification. Xpelair Simply Silent Contour fans are powerful 4 inch silent running bathroom extractor fans designed to reduce nuisance running noise whilst controlling excess humidity, odours and mould growth effectively. The C4HTSR model benefits from an adjustable over-run timer and a humidistat to automatically regulate humidity levels.. This 100mm Vent-Axia extractor fan is suitable for wall, ceiling, window and panel-mounting - it offers impressive performance from a high-efficiency motor, and it's so quiet you won't even notice it's on! This humidistat model comes with a fixed 15-minute timer overrun - you won't need to worry about switching the fan on or off.