Spigot is 99mm and extends for 54mm. British made product.
Manrose Low Voltage 12V AC Extractor Fan 100mm 4" Wall/Ceiling Bathroom XF100LV
Manrose T12T Timer Transformer - Low Voltage 12V SELV Extractor Fan Control
AC to DC 12V Electronic Transformer Adapter, 2060W Power Supply for Low Voltage Lighting Applications
Low Voltage Extractor Fan with Optional Timer Transformer - Manrose 12v AC
Low Voltage Extractor Fan 12V AC for Bathroom Wall/Ceiling Manrose XF100LV 100mm
LED Transformer AC 90-265V to DC 12V Low Voltage Driver for Strip Lights - Flickerfree Electronic Converter 8-24W Cabinet Fit 75x34mm(8-18w)
