Ltpgtthe manrose 100mm extractor fan is designed for wall ceiling or window mounting the automatic extractor fan range is available in ten options all incorporating thermoactivated internal shutters behind the interior grille which open silently approximately 45 seconds after the fan is switched on the extract rate of the 100mm series is 85m3hr 23 litres per second whilst the 120mm units for larger bathrooms toilets and utility rooms are 56 more powerful with an impressive extract r