Kair
Kair White Louvred Wall Vent Grille 183mm External Dimension with Flyscreen and Round 150mm - 6 inch Rear Spigot
Xpelair
Xpelair DX100BTS Simply Silent Bathroom Extractor Fan with Timer, Adjustable Twin Speed, Ghost Air Movement Technology for Quiet Running, 100mm (4″), Square – Cool White
SBONNI
SBONNI 6 inch / 150mm Extractor Fan Bathroom, Two-Speed, Two-Way Ventilation Fan with 433MHz Remote Control - 8W 310m³/h Powerful Silent Exhaust Fan with IPX4 and Memory Function, Window Wall Ceiling
VENTS
VENTS Silenta 100mm (4-Inch) Diameter Bathroom Extractor Fan with Humidity Sensor and Run-on-Timer. Outer size 157x159x21mm. Low energy consumption - White
Kair
Kair Connector with Backdraught Shutter 100mm - 4 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose
HG Power
HG Power 150mm Kitchen Exhaust Fan 525m³/h Stainless Steel Ventilation Fan with UK Plug Low Noise Extractor with Backdraft Damper for Home Bathroom Garage, Black
Blauberg
Blauberg Black Gravity Grille 150mm - 7.25 inch External Ducting Air Vent with Round Spigot and Non-Return Shutters for HVAC Bathroom Extractor Fan Kitchen Whole House Ventilation Grill Cover
VENTS UK
VENTS UK 100mm 4 inch diameter Inline Extractor Fan Bathroom Shower Ceiling Loft Mounted Powerful Ventilation Damp Control Silent In-line Toilet Office Utility Room
Fantronix
FANTRONIX NAZAIR White 100 mm Quiet Powerful Bathroom Extractor Fan with Humidity Sensor Wall Ceiling Mounted Ventilation Damp Environment Control for 100 mm Ducting Silent Toilet Shower Ventilator