Top 10 Fan Grille 100mm UK – Registers, Grilles & Vents

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1. SmartHome

4 Inch Fan Outlet, Terracotta Square Extractor Louvre Air Vent Duct Grille 100mm

SmartHome - Manufactured with UV stable materials to reduce colour fade. Overall size: 140mm x 140mm. Terracotta Extractor Louvre Wall Vent. Suitable for round 100mm 4 Inch ducting. Pack of 1.
BrandSmartHome
ManufacturerManrose
Part Numberhsmart-381
Modelhsmart-381

2. Domus Ventilation

Domus 4902BK Cowled Extractor Fan Wall Outlet Grille with Damper 100mm / 4 Inch Black

Domus Ventilation - Fixing screws / rawlplugs are not supplied with this item. Fixing points 107mm horizontally / vertically. 99mm diameter spigot extends for 20mm. Pvc. For use with 100mm / 4 Inch diameter ducting. Concealed fixing points. Dimensions: 155mm tall x 155mm wide x 70mm projection. Cowled ventilation grille with anti-backdraught damper shutter.
BrandDomus Ventilation
ManufacturerDomus Ventilation

3. Knightsbridge

Knightsbridge EXAV009B 100mm/4 Extractor Fan Grille with Fly Screen-Black, EX009B

Knightsbridge - Suitable for venting through internal and external walls and doors. Non-corrosive light, rigid PVC construction for simple and quick installation. Height 152mm, recessed Depth 48mm, Width 152mm. Black. Louvered vent, round exhaust with integral fly screen to keep out insects.
BrandKnightsbridge
ManufacturerMLA
Height0.5 cm (0.2 Inches)
Length15.2 cm (5.98 Inches)
Width15.2 cm (5.98 Inches)
Part NumberEXAV009B
ModelEX009B
Warranty12 months.

4. Blauberg UK

Fixed Blade Louvred Grille, Blauberg UK 4 inch 100 mm Round Plastic Ducting and Fittings for Extractor Fan Ventilation 100mm, Grey

Blauberg UK - Ideal for roof soffit or fascia mounting. Insect mesh Included. Suitable for 100mm, 4" ducting & extractor fan connections. Louvered blades to reduce the effects of wind and Rain. Designed to terminate your extract duct to an external wall.
BrandBlauberg UK
ManufacturerBlauberg Fans
Height16 cm (6.3 Inches)
Length15 cm (5.91 Inches)
Weight0.1 kg (0.22 Pounds)
Width4 cm (1.57 Inches)
Part NumberDECOR 155X155/100S GREY
ModelDECOR 155X155/100S GREY
Warranty5 years.

5. Knightsbridge

EX009W, Knightsbridge 100mm/4 Extractor Fan Grille with Fly Screen-White

Knightsbridge - Height 152mm, recessed Depth 48mm, Width 152mm. Non-corrosive light, rigid PVC construction for simple and quick installation. Suitable for venting through internal and external walls and doors. White. Louvered vent, round exhaust with integral fly screen to keep out insects.
BrandKnightsbridge
ManufacturerMLA
Weight0.13 kg (0.29 Pounds)
Part NumberEXAV009W
ModelEX009W

6. Europlast

Ø 100mm / 4'' Ventilation Grille Round White Duct Extractor fan with Anti Insect Mesh for ducting Ø 100mm / 4inch

Europlast - Ideal finish of your Ventilation System // Made in EU. Equipped with an Anti Insect Net. Can be wall mounted or Ceiling Mounted // Easy to Install. 100mm / 4'' round air Vent for Extractor Fan. High quality ABS Plastic.
BrandEuroplast
ManufacturerEuroplast

7. Blauberg

4 inch External Ducting Air Vent with Round Spigot Intake Wall Extractor Fan and Non-Return Gravity Shutters for Extractor Fan Ducting Exhaust, Blauberg Black Gravity Grille 100mm

Blauberg - Gravity flap - no need for springs that could break. Perfectly suited bathroom or kitchen extractor fan, hydroponics fan, or in-line extract fan. Non-return shutter flaps close automatically when not in use.

Designed to terminate your extract duct to an external wall. Gravity operated flaps that close when Not in use. 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. Suitable to use in compliance with part F building regulations. This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, air conditioning, HVAC, positive Input, and heat recovery systems. Easy to install, just push-fit duct and fittings together. Stops unpleasant odours, noises, or draughts flowing back through your duct.
BrandBlauberg
ManufacturerBlauberg Fans
Height15 cm (5.91 Inches)
Length14 cm (5.51 Inches)
Weight0.1 kg (0.22 Pounds)
Width2 cm (0.79 Inches)
Part NumberDECOR 155X155/100G BLACK
ModelDECOR 155X155/100G BLACK
Warranty5 years.

8. Blauberg

Blauberg UK 4 inch 100 mm White Circular Ceiling Mounted Air Vent Grille Cover Adjustable Round Ventilation Extract and Supply Valve Diffuser Fly Net Easy Installation UV Resistant Plastic

Blauberg - Diffusing air in different directions to reduce drafts and cold zones, which is particularly beneficial when mounting in living areas, and offices. Designed for handling high air volumes at comparatively low sound levels and give a smooth even distribution of air.

Ideal for bathroom vents & extractors, heat transfer and ventilation systems, all home wall vents, air conditioning units, kitchen fans & vents, as well as a wide variety of industrial uses. Simple and secure to install. Size: designed for mounting in any ceiling connected to a ventilation system with ducting to 100 mm Dia 4" connection. Supplied with an insect mesh. Construction: made of high-quality nontoxic material, environmentally friendly, safe, robust and durable to use. Installation: easy to clean and non-reflective white surface air valve.

Design: simple design, fashionable appearance, bedrooms, good workmanship and is of excellent quality. Application: can be used for extract and supply air ducts. Can be perfectly mounted on the ceiling or on the wall and is also very easy to disassemble for convenient cleaning. Prime quality dpr ceiling register is UV protected to prevent yellowing over time. This ventilation grille combined with any inline fan will solve the steam and draught problems in any bathroom.
BrandBlauberg
Manufacturer‎Blauberg UK

9. Blauberg

100 mm Plastic Louvred Wall Vent Grille 4 Inch Black Ceiling Extractor Fan Bathroom Cover with Flyscreen For Internal Or External Use Tumble Dryer Ventilation House Fans Hydroponics

Blauberg - Louvered blades to reduce the effects of wind and Rain. Insect mesh included. Easy to install, just push-fit duct and fittings together. Designed to terminate your extract duct to an external wall. Uv protected to prevent discoloring. Perfectly suited bathroom or kitchen extractor fan vent, hydroponics fan, or in-line extract fan.
BrandBlauberg
ManufacturerBlauberg Fans
Height16 cm (6.3 Inches)
Length15 cm (5.91 Inches)
Weight0.1 kg (0.22 Pounds)
Width4 cm (1.57 Inches)
Part NumberDECOR 155X155/100S BLACK
ModelDECOR 155X155/100S BLACK
Warranty5 years.

10. Fantronix

4-inch Push Fit PVC Fixed Blade Bathroom Ventilation Extractor Fan Air Valve Grille 100mm Whole House Ventilation MVHR Insect Protection

Fantronix - White plastic ducting air outlet / inlet square grille with fixed louvres and anti insect mesh / flyscreen. Perfectly suited bathroom or Kitchen extractor fan vent, Hydroponics fan or In-Line Extract Fan. Louvre can be flicked open with flat head screwdriver for ease of installation and to allow cleaning of insect screen. Type fantronix in amazon search bar to find our entire range of ventilation products and accessories. 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.
BrandFantronix
ManufacturerFantronix
Part NumberOLD0114-S-146
ModelOLD0114-S-146