10 Best Extractor Fan Vent Cover External for 2026
List of Top Rated Extractor Fan Vent Cover External from thousands of customer reviews & feedback.
Updated On August 2026 2113 Reviews Studied By Customer Ratings
Affiliate Disclosure
As an Amazon Associate we earn from qualifying purchases made via links on this page, at no extra cost to you. Rankings are based on independent research and customer feedback. 1 
Louvred Wall Vent Grille 100mm - 4 Inch Black with Flyscreen for Internal Or External Use
Blauberg
- Designed to terminate your extract duct to an external wall.
- Louvered blades to reduce the effects of wind and Rain.
- Insect mesh Included.Easy to install, just push-fit duct and fittings together.
- Uv protected to prevent discoloring.
- Perfectly suited bathroom or kitchen extractor fan vent, hydroponics fan, or in-line extract fan.
2 
Kair Cowled Outlet Grille 100mm - 4 inch White External Wall Vent with Round Spigot and Wind Baffle Backdraught Shutter
Kair
- Kair cowled vent with damper flap & 100mm round spigot.
- Designed for use with 100mm / 4 inch round ducting. Just push-fit duct and fittings together.
- Cowl protects against driving rain and gusts of wind entering your property via the duct run.
- Damper flap can be closed to help reduce unpleasant odors, noises, or draughts flowing back through your duct.
- Note: The cowl comes with slightly bent sides. This is to enable easy fitting into the back plate. You will need to click fit it back into place.
3 
Kair Louvred Grille - White External Wall Ducting Air Vent with100mm - 4 inch Round Spigot
Kair
- White plastic ducting air outlet / air inlet round grille with fixed louvres.
- 4 inch / 100mm round male spigot on the back of the grille for indoor or outdoor use.
- Fits inside Kair 100mm round female duct Pipe Part: DUCVKC250 or 102mm flexible hose Part: DUCP0092/102/35
- Built to last in Britain using high-quality of UPVC Polystyrene / Polypropylene PVC material.
- Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan vent, Hydroponics fan, or In-Line Extract Fan.
4 
150 mm Noise Insulation External Wall Wind Sound Baffle Vent Cover Draft Excluding Air Ventilation for Extractor Fans He...
Fantronix
- 150mm (6") dia duct connections.Decoration of supply and exhaust vents of public, residential and industrial ventilation systems.
- Modern, wind and sound reducing wall mounted baffle vent with UV protection.
- Can be used for air intake or extract.Compatible with Ø 150 and 160 mm air ducts.
- Removable hood for easy cleaning with drip tray.
- Non-inflammable.Preferred choice for MVHR, MEV, dMEV & single room heat recovery systems.
5 
Blauberg UK Extractor Fan Gravity Flappy Grill External Wall Air Vent Ventilation White Plastic 6" 150mm
Blauberg UK
- 6"(150MM) Gravity White Fan Grill
- FOR 6 INCH FANS
- MADE OF PVC
- FOR INDOOR/OUTDOOR USE
6 
Air Vent Grille Cover 5 Gravity Flaps 200x200mm (8x8") WHITE Ø150mm (6") Ducting External Ventilation Cover
- External Air Vent Cover High Quality ASA Plastic
- VM-200x200mm (8x8inch) 150mm Ducting Five Gravity Flaps WHITE
- Comes with 4 Fixings and 4 plugs
- Designed To Cover Wall Openings And Ducting Vents
- Dimensions (A-205) (B-205) (C-151) (Length of flange 15mm)
7 
Kair Gravity Grille 150mm - 6 inch Brown External Ducting Air Vent with Round Spigot and Not-Return Shutters
Kair
- Brown Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters - 6 inch / 150mm round male spigot on the back of the grille for indoor or outdoor use.
- Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break.
- Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan.
- This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, positive input, air conditioning, HVAC, and Heat Recovery Systems.
- Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 16,000mm2. Static Pressure Drop in Pascals: 15 l/s = 6.91 Pa - 30 l/s = 8.76 Pa - 60 l/s = 11.10 Pa.
8 
Kair Gravity Grille - Brown External Ducting Air Vent with 125mm - 5 inch Round Spigot and Not-Return Shutters
Kair
- Brown Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters - 5 inch / 125mm round male spigot on the back of the grille for indoor or outdoor use.
- Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break.
- Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan.
- This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, positive input, air conditioning, HVAC, and Heat Recovery Systems.
- Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 11,600mm2. Static Pressure Drop in Pascals: 15 l/s = 6.43 Pa - 30 l/s = 9.91 Pa - 60 l/s = 11.25 Pa.
9 
Kair Gravity Grille 100mm - 4 inch White External Ducting Air Vent with Round Spigot and Not-Return Shutters
Kair
- White Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters - 4 inch / 100mm round male spigot on the back of the grille for indoor or outdoor use.
- Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break.
- Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan.
- This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, positive input, air conditioning, HVAC, and Heat Recovery Systems.
- Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 7200mm2. Static Pressure Drop in Pascals: 15 l/s = 10.94 Pa - 30 l/s = 18.59 Pa - 60 l/s = 24.21 Pa.
10 
Blauberg Fans Grille DECOR185X185/150GWHITE White
Blauberg Fans
- 150mm 6 inch duct and extractor fan connection sizes
- Gravity operated back draught shutter
- Removable blades for easy cleaning
