Top 10 Bathroom Vent Cover 100mm UK – Registers, Grilles & Vents

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1. Blauberg

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4 inch Air Vent Cover with Adjustable Valve White Round Ceiling Vent Diffuser Extract with Retaining Ring for Toilet Bathroom Office, 100 mm

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Blauberg #ad - A preferred choice for MVHR heat recovery systems. Prime quality adjustable ceiling-mounted air valve grille finished in brilliant white plastic. Easy to install with a mounting flange. The disc is mounted on a central threaded core for an adjustment that can be locked to prevent tampering. Temperature and uv-resistant antistatic plastic. The vent diffuser is suitable for ducting with a 100mm 4" connection and can be used for supply and exhaust ventilation. Smooth airflow control. Directly connect to duct and clip into the ceiling with circlip provided.
BrandBlauberg #ad
Manufacturer‎Blauberg UK #ad

2. AFASOES

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White 100mm 4" Dia, AFASOES Round Ceiling Vent Adjustable Air Valve Grill Ventilation Ducting Hose Cover Bathroom Wall Vent Cover Metal Extractor Fans Grille for Bathroom Office Kitchen

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AFASOES #ad - Adjustable air volume design:after the bathroom vent cover is installed, the gap can be expanded and retracted by rotating the middle disc, and the adjustment valve can control the air volume to meet the desired ideal air supply. Simple design, and corrosion-resistant, fine workmanship and excellent quality.

Thick metal material:round ventilation cover is made of high-quality metal material. Easy to use & clean:round air vent supply can be perfectly installed on the ceiling or wall. Suitable for 4 "diameter pipes:this ventilation cover is suitable for all 4" diameter pipes, such as air conditioning units, bathroom vents and suctions, kitchen fans and vents, tumble dryer exhaust pipes/hose, all household wall exhaust Holes, as well as a variety of industrial applications.

Exhaust & reduce noise:ventilation duct cover can be perfectly used for indoor exhausting to bring fresh air to rooms. It can also be removed quickly during cleaning, making it easy to clean, simple and convenient. Strong in durability, fashionable appearance, non-deformable, anti-fracture. It can also reduce noise from entering the room, enjoy the quiet space. Make your life more healthy.
BrandAFASOES #ad
ManufacturerAFASOES #ad

3. Hon&Guan

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Hon&Guan 100mm Round Adjustable Air Vent ABS Ventilation Grill Cover for Bathroom Office Room ø100mm

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Hon&Guan #ad - Adjustable air vent make of high quality ABS. Wall mounted or celling mounted, perfect for bathroom, office, room exhaust and ventilation use. Adjustable panel, you can adjust the air flow by rotating the button. Diameter 100mm, ducting height 75mm. Panel and black ducting are detachable, easy to clean and maintain daily.
BrandHon&Guan #ad
ManufacturerHon&Guan #ad

4. VENTS UK

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100 mm Square White Louvered Wall Ventilation Grille with Mesh for Extractor Loft Fan Bathroom Pipe Cover for Wall Ceiling Bedroom Living Room – Duct Extractor Grill, Vents 4 inch

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VENTS UK #ad - The product is equipped with a protecting insect screen to prevent insects from entering. The louvre can be flicked open with flat head screwdriver which makes the ventilation grill installation and maintenance simple. Simple and secure to fit with flush mounted fasteners.

Premium quality temperature and UV-resistant anti-static plastic that prevents the item from discolouring. Great for ducting your bathroom vent cover, Hydroponics. Designed to fit any extractor fan, cooker hood, or duct to both: an external and internal wall. Suitable to use in compliance with part f building regulations. This ducting outlet can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive stack vent, In-Line Extract Fans, air conditioning, or Kitchen extractor fan, Air vents for shed, HVAC, or Cooker Hood, and Heat Recovery Systems.

Ideal for roof soffit, toilet, fascia mounting. Weatherproof louvered blades assist in reducing the effects of wind and rain. Louvre air vent grille to be used for the supply air and extract air of ventilation and air conditioning systems. The overall dimension of the grille is 155 mm x 155 mm. This plastic white fixed blade grille has 100 mm 4" dia duct connection size.
BrandVENTS UK #ad
ManufacturerVENTS UK #ad

5. Kair

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4 inch Diffuser/Extract Valve with Retaining Ring, Kair Plastic Round Ceiling Vent 100mm

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Kair #ad - High-quality 100mm / 4 inch plastic air vent diffuser with fixing ring. Adjustable wipe-clean plastic air vent diffuser with retaining ring. Dual purpose extract or supply air valve. Designed for domestic internal use. Discreet aesthetically pleasing design which is suitable for flush fitting against ceilings and walls. Can easily connect to 100mm flexible hose using a hose clip.
BrandKair #ad
ManufacturerKair #ad
Height14 cm (5.51 Inches)
Length8 cm (3.15 Inches)
Weight0.14 kg (0.31 Pounds)
Width10.01 cm (3.94 Inches)
Part NumberDUCVKC306F

6. Kair

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4 inch White Coated Metal Vent, Kair Ceiling Extract Valve 100mm

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Kair #ad - If you are looking to supply air we recommend using our Kair supply valve. The air flow is adjusted by rotating the control disc and locking with a lock nut when set. Aesthetically pleasing wipe-clean design suitable for internal use. High-quality white powder-coated metal 4 inch / 100mm adjustable ceiling air extract vent. Designed to extract air. Male spigot will fit inside Kair 100mm Round Pipe or 102mm Flexible Hose.
BrandKair #ad
ManufacturerKair #ad
Height5.99 cm (2.36 Inches)
Length14.5 cm (5.71 Inches)
Weight0.26 kg (0.57 Pounds)
Width14.5 cm (5.71 Inches)
Part NumberDUCMW104

7. Fantronix

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100 mm Robust Outside Wall Hole Cover Vent Fitting with Fly Screen for Caravan Shed Bathroom Shower Kitchen Garage Shed for Air Circulation Odour Removal Extractor Fan Cooker Hood Oven Vent

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Fantronix #ad - 4 inch / 100mm round male spigot on the back of the grille can be cut off if flat surface preferred. Easy to install, just push-fit duct and fittings together. Type fantronix in amazon search bar to find our entire range of ventilation products and accessories. Perfectly suited bathroom or Kitchen extractor fan vent, Hydroponics fan or In-Line Extract Fan. Grey plastic ducting air outlet / inlet square grille with fixed louvres and anti insect mesh / flyscreen. Louvre can be flicked open with flat head screwdriver for ease of installation and to allow cleaning of insect screen.
BrandFantronix #ad
ManufacturerFantronix #ad
Part NumberOLD0114-S-140
ModelOLD0114-S-140

8. VENTS UK

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VENTS UK 100 mm / 4'' White PVC Round Ceiling Ventilation Cover/Plastic Air Vent Diffuser with Fixing Ring for Bathroom Kitchen Hydroponics in-Line Extract Fan Air Conditioning HVAC

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VENTS UK #ad - Can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, HVAC, passive stack vent, and Heat Recovery Systems.

Air disc valves are designed to supply and exhaust ventilation. Suitable for internal use in compliance with Part F Building Regulations. White plastic air vent diffuser with fixing ring is suitable to connect to 100mm / 4 inch flexible hose using a hose clip. Easy installation that requires simple connection to duct and clip into ceiling with car clip provided. Perfectly suited for use with your bathroom or kitchen extractor fan, hydroponics, air conditioning, positive input, or In-Line Extract Fan. Our discreet modern design is applicable for flush fitting against walls and ceilings.
BrandVENTS UK #ad
ManufacturerVENTS UK #ad

9. LOGOK2K

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Cotarba Chrome 100 mm 4" Circle Air Vent Grille Round Ducting Cover

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LOGOK2K #ad - Chrome 100 mm 4" circle air vent grille round ducting coverAny Room, Foyer, Dining Room, Caravan, Conservatory, Basement, Bedroom, Children's Room, Bathroom, Garage.
BrandLOGOK2K #ad
ManufacturerLOGOK2K #ad

10. Fantronix

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100 mm Chrome Round Plastic Air Vent Grille Cover with Insect Anti-Fly mesh Circular Ceiling Diffuser Small Inner Multi Cones for Ventilation Systems Exhaust Pipe, Fantronix 4 inch

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Fantronix #ad - Supplied with insect mesh. Chrome circular ceiling diffuser for high comfort level clips in directly into Ø100 mm 4'' Round Pipe Ducting or Ø100 mm 4 inch round sockets. Uv protected to prevent yellowing over time. Suitable for both ceiling supply and ceiling extract applications. Designed to cover wall or ceiling openings and ducting vents. Quick and easy installation - simple to fit. The product is designed facing all-round to evenly distribute conditioned air throughout the room and reduce drafts.
BrandFantronix #ad
ManufacturerFANTRONIX #ad