Manrose XF100H 4" Axial Bathroom Extractor Fan with Humidistat & Timer White 240V - Screwfix
Manrose XF100 Automatic Shutter Bathroom Extractor Fan Standard Timer Pullcord Humidity (Timer Model) : Amazon.co.uk: DIY & Tools
Manrose CF100 4" Centrifugal Fan Range c/w Backdraft Shutter
Blauberg Trio Quiet Bathroom Extractor Fan with Timer 4 "/100 mm | Electricsandlighting.co.uk
HG Power 6" Ventilation Extractor Fans, Wall or Ceiling Mounted Exhaust Fan with Back Draught Shutter Extractor Fan for Bathroom Bedroom 272m3/h (D-150mm) : Amazon.co.uk: DIY & Tools