Steeple SF4HSN 4″ Extractor Axial Fan with Humidistat 17W 240V

The SF4HSN stipulates the provision of adequate mechanical ventilation rates in non-habitable rooms such as toilets, bathrooms, shower rooms, kitchens and utility rooms in domestic dwellings. This fan is perfect where you are ducting the fan straight through the wall or on a small length of ducting up to 1 metre. · · · Simple and easy to install · · Integral humidistat · · Complies with F1 building regulations · · IP Rating: IP44 · · Wall/ceiling mountable · · For bathrooms/toilets · · Extracts up to 85m³ per hour (23 litres per second) · · Suitable for a standard 4-inch ducting · · Dimensions: 156 x 156 x 28mm