4 Inch (100mm) Fans
Bathroom Fans 4 Inch
4 Inch (100mm) Fans
Generally bathroom extractor fans are available in two sizes 4 inch (100mm) and 6 inch (150mm). Consequently a 4 inch bathroom fan will be large enough to cope in a normal sized family bathroom. Maybe if you have a bathroom with no ventilation, North facing or particularly cold you may require a more powerful one.
Showing 1–33 of 41 results
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AirVent Bathroom Fan Standard 100mm 4inch Domestic Range
£6.44 £7.73 (inc VAT) Add to basket -
AirVent Bathroom Fan Standard Plus Pull Cord Fan 100mm 4inch 459299A
£7.69 £9.23 (inc VAT) Read more -
AirVent Bathroom Fan Standard Plus Timer Fan 100mm 4inch 457086A
£8.04 £9.65 (inc VAT) Read more -
AirVent Part L Compliant Bathroom Fan Standard 100mm 4inch 448379
£9.03 £10.83 (inc VAT) Add to basket -
AirVent Part L Compliant Bathroom Fan With Timer 100mm 4inch 448380
£11.42 £13.70 (inc VAT) Read more -
AirVent Bathroom Fan Standard Plus Timer & Shutter 100mm 4inch 459309A
£13.89 £16.67 (inc VAT) Read more -
AirVent Inline Shower Fan Standard 100mm 4inch 434445A
£13.90 £16.68 (inc VAT) Add to basket -
AirVent Bathroom Fan Standard Plus Humidistat And Pull Cord 100mm 4inch 459294A
£14.45 £17.34 (inc VAT) Add to basket -
AirVent Bathroom Fan Standard Plus Humidistat & Shutter 100mm 4inch 459318A
£14.53 £17.43 (inc VAT) Read more -
AirVent Inline Shower Fan Standard Plus Timer 100mm 4inch 434446A
£14.98 £17.97 (inc VAT) Add to basket -
Xpelair 93025AW Simply Silent DX100S Standard Square
£18.68 £22.42 (inc VAT) Read more -
Xpelair Simply Silent DX100R Standard Round 93005AW
£18.83 £22.60 (inc VAT) Add to basket -
Xpelair Simply Silent Contour 078339 C4SR Standard
£19.16 – £34.99 Select options -
AirVent Part L Compliant Bathroom Fan With Humidistat 100mm 4inch 448381
£20.85 £25.02 (inc VAT) Add to basket -
Xpelair 93006AW Simply Silent DX100TR Timer Round
£21.35 £25.62 (inc VAT) Add to basket -
Xpelair 93007AW Simply Silent DX100PR Pullcord Round
£21.35 £25.62 (inc VAT) Read more -
Xpelair 93026AW Simply Silent DX100TS Timer Square
£21.35 £25.62 (inc VAT) Add to basket -
Xpelair 93027AW Simply Silent DX100PS Pullcord Square
£21.35 £25.62 (inc VAT) Read more -
Xpelair Simply Silent Contour 078339 C4SR Standard
£22.94 £27.53 (inc VAT) Add to basket -
Xpelair Simply Silent Contour 078346 C4TSR Timer
£25.18 – £41.66 Select options -
Xpelair 93086AW Simply Silent Shower Fan SSSFC
£25.44 £30.53 (inc VAT) Add to basket -
Xpelair Simply Silent Contour 078353 C4PSR Pullcord
£25.60 £30.72 (inc VAT) Add to basket -
Xpelair 93008AW Simply Silent DX100HTR Humidistat/Timer Round
£32.03 £38.44 (inc VAT) Add to basket -
Xpelair 93028AW Simply Silent DX100HTS Humidistat/Timer Square
£32.03 £38.44 (inc VAT) Add to basket -
AirVent Inline Shower Fan With Timer & Light 100mm 4inch 434448A
£32.59 £39.11 (inc VAT) Add to basket -
Xpelair 93010AW Simply Silent DX100PIRR PIR Round
£35.89 £43.07 (inc VAT) Add to basket -
Xpelair 93030AW Simply Silent DX100PIRS PIR Square
£35.89 £43.07 (inc VAT) Add to basket -
Xpelair Simply Silent Contour 078339 C4SR Standard
£39.16 Select options -
Xpelair Simply Silent Contour 078360 C4HTSR Humidistat/Timer
£39.49 – £54.99 Select options -
Xpelair 93031AW Low Volt 12v Simply Silent Standard Square LV100S
£40.50 £48.60 (inc VAT) Add to basket -
Xpelair 93032AW Low Volt 12v Simply Silent Timer Square LV100TS
£42.71 £51.25 (inc VAT) Add to basket -
Xpelair 93033AW Low Volt 12v Simply Silent Pullcord Square LV100PS
£42.71 £51.25 (inc VAT) Add to basket -
Xpelair 93009AW Simply Silent DX100HPTR Humidistat/Pullcord/Timer Round
£44.88 £53.86 (inc VAT) Add to basket