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Extractor Fans

Knightsbridge extractor fans keep bathrooms and kitchens clear of steam and moisture. The 100mm range runs from straightforward models to LED backlit versions in white, matt black and brushed steel, most rated IP45 for splash zones. Look for an overrun timer that keeps the fan running after the light goes off, a humidistat that responds to damp air, and flyscreen vents to finish the duct.

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Clearing steam and moisture

An extractor fan pulls steam and damp air out of a bathroom or kitchen, helping to keep walls, mirrors and surfaces clear and reduce the lingering moisture that leads to problems over time. Bathrooms and kitchens are the rooms where humidity builds up fastest, so a fan that moves that air along makes a real difference to how the space feels and how it holds up. The 100mm models here are sized to fit common ducting, which makes them a sensible choice for replacing an older fan or fitting one as part of a refresh.

From plain to backlit

The range runs from straightforward fans to LED backlit versions that add a soft glow to the unit. Finishes include white, matt black and brushed steel, so the fan can blend into a ceiling or wall or sit as a tidy feature in a finished room.

Timers and humidistats

An overrun timer keeps the fan running for a short while after the light goes off, clearing the last of the steam once you have left the room. A humidistat responds to damp air and helps the fan react to moisture rather than relying on the switch alone. Together they make for a fan that does its job with little input from you.

Finishing the duct

To complete an installation, flyscreen vents cover the outside end of the duct, keeping the run tidy and helping to keep unwanted bits out. Matching the vent finish to the fan gives a neat result inside and out.

Choosing a fan

Think about the room first, then the finish you want on show, since a wall or ceiling unit is on view every day. Decide whether an overrun timer or humidistat would suit how you use the space: a timer is handy for a shower room that steams up quickly, while a humidistat helps where damp tends to linger. Matching the fan to the room and adding the right vent gives a tidy, well-judged result. Free UK delivery over £99, worldwide shipping.

Frequently Asked Questions

What does the overrun timer do?
The overrun timer keeps the fan running for a set period after you switch the light off, so it carries on clearing steam and moisture once you have left the room. It is a popular choice for bathrooms where damp lingers after a shower.

What is a humidistat version for?
A humidistat model senses the level of moisture in the air and switches the fan on automatically when humidity rises, then off again as the room dries. It saves running the fan manually and is well suited to bathrooms and shower rooms.

What size are these fans?
These are 100mm fans, the common size for bathrooms and smaller rooms, designed to suit standard 100mm ducting. Airflow is rated by band, with most models moving more than 75 cubic metres per hour.

Can I fit an extractor fan myself?
An extractor fan is a fixed-wiring job and should be installed by a qualified electrician, especially in a bathroom where zones and moisture matter. Plan the duct run to an outside wall first, then finish the duct with a flyscreen vent to keep insects out.

What finishes are available?
Finishes include white, matt black and brushed steel, with LED backlit options for a softer look. Bodies are moulded in ABS or polycarbonate, and most carry an IP45 rating suited to bathroom splash zones.

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