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Home/DIY & Tools/Building Supplies/Heating & Cooling/Registers, Grilles & Vents
Vents 100mm Grey External Gravity Vent Grille โ€“ 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer โ€” image 1
Registers, Grilles & VentsVENTS UKโœ“ In stock

Vents 100mm Grey External Gravity Vent Grille โ€“ 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer

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$30.99

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About this item
  • Fits standard 100mm ducting โ€“ Gravity grille with 100mm (4โ€) rear spigot; overall external size 155 ร— 155 mm for a neat wall or ceiling finish.
  • Non-return shutters โ€“ Three gravity flaps open with airflow and close when the fan is off, helping block draughts, rain, noise, odours, insects, and debris.
  • Push-fit installation โ€“ Simple push-fit connection to 100mm ducting; can be sealed with mastic, cement, or tape if required for a secure finish.
  • Wide ventilation compatibility โ€“ Suitable for bathroom and kitchen extractor fans, whole-house ventilation, HVAC, passive airflow, and heat recovery systems.
  • Building Regulations compliant โ€“ Manufactured in line with Approved Document F, supporting compliant domestic ventilation installations.
Product details
Brand
VENTS UK
Manufacturer
VENTS UK
Material
Plastic
Colour
100 Mm Grey Gravity Grille
EAN
5056194039826

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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Vents 100mm Grey External Gravity Vent Grille โ€“ 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer | Bigamart