Top 9 Cowl Vents 100mm UK – Registers, Grilles & Vents

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1. White Hinge

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White Square Cowl Air Vent 100mm 4" Hooded Wall Ventilation Ducting Grille Cover for Indoor or Outdoor Use

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White Hinge #ad - Duct hole diameter: 94mm | Protrusion: 80mm. Hooded cowl With Internal Backdraught Shutter. Overall length: 140mm x Overall Width: 140mm. Distance between Screw Holes: 100mm. Can be fitted to round Ducting Or Flat Channel Ducting.
BrandWhite Hinge #ad
ManufacturerWhite Hinge #ad

2. Europlast

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Galvanised Steel Roof Rain Hat with Rubber Gasket, Ø 100mm 4'' Vent Cowl Cap

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Europlast #ad - Protects your chimney from rain or snow. Epdm rubber seal ensures tight connections between system components. Material: galvanised steel. Diameter: 100 mm. Quick and easy to fit. Equipped with mesh to prevent animals from entering the end point of the pipe.
BrandEuroplast #ad
ManufacturerEiroplast #ad

3. VENTS UK

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Vents 4 inch Black Plastic Cowled Air Vent Wall Grill with 100 mm Rear Spigot Ducting Gravity Flap Grille Cover for Hooded Cooker Hood Outlet Kitchen Bathroom Shed Extractor Fan Ventilation

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VENTS UK #ad - This black cowled hooded wall vent baffle with removable single blade back draught shutter is suitable for use with 100 mm 4 inch round ducting and extractor air fan connections. Suitable to use in compliance with part F building regulations. When switched off, the grille shuts automatically with gravity and forms a barrier to stop air from entering the ventilation and protect your grille against birds and rodents.

Smooth installation process and cleaning through the use of the removable blade and duct cowling baffle. Simply push-fit duct and fittings together. Easy and secure to install for outer wall mounting. Designed to provide optimum airflow performance. The multifunctional cowled grille is suited for bathroom, air conditioning units, kitchen & wet room extractor fans.

The baffled grille has two advantages: it stops the wind from rattling the shutter and blocks back craft when an extractor fan is switched off. The external dimensions of this cowled vent are 155 mm x 155 mm. Wipe-clean durable design for indoor or outdoor use. Our air-cowled vent grille cover is manufactured of premium quality antistatic plastic that is temperature and UV-resistant. The product includes a damper flap to help reduce backdrafts.
BrandVENTS UK #ad
ManufacturerVENTS UK #ad

4. SolaDirect

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Ø 100 mm / 4 in Black Cowled Gravity Flap Wall Outlet Non-Return Valve Cowl Duct Cover Air Vent Grille

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SolaDirect #ad - 100 mm / 4 in black cowled gravity flap Wall Outlet Non-Return Valve Cowl Duct Cover Air Vent Grille. Cowl protects against driving rain and wind entering your property via the duct run. Use for cooker hood, bathroom, toilet, kitchen ventilation fans & tumble dryer extract. Easily removable cowl section for easy installation and cleaning. Uk based and vAT Registered Seller. Available in White, Brown, Grey.
BrandSolaDirect #ad
ManufacturerSolaDirect #ad

5. Steinberg14

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100mm / 4'' Brown Plastic Cowled Hooded Air Ventilation Wall Grille with Round Spigot and Wind Baffle Backdraught Shutter

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Steinberg14 #ad - Fast and easy to install. Cowl protects against driving rain and wind entering your property via the duct run. Designed for cooker Hood, toilet, bathroom, kitchen ventilation fans & tumble dryer extract.4 inch/ 100mm round male spigot on the back of the grille for indoor or outdoor use. Cowled hooded wall vent baffle with removable single blade back draught shutter.
BrandSteinberg14 #ad
ManufacturerSteinberg14 #ad

6. Armar Trading LTD

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Details About Ducting Cowled Gravity Flap Outlet Cowl Air Vent Grille with Non Return Valve 100mm, White

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Armar Trading LTD #ad - Comes with a built-in anti back draught shutter blade easily removable if Not needed. This grille is perfect for DIY and Trade use and provides superior airflow performance and durability. The cowl grille is used for cooker Hood, bathroom, toilet, kitchen ventilation fans & tumble dryer extract. The ducting flap can be closed to help reduce unpleasant odours, noises, or draughts flowing back through your duct. The gravity flap is stylishly covered by the square shape cowl and in doing so, offers more of an aesthetic appearance than most traditional plastic grilles.
BrandArmar Trading LTD #ad
ManufacturerArmar Trading Ltd #ad

7. Europlast

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Ø 100mm / 150x150mm Brown Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 6xinch / 4inch Air Vent Grille Gravity Flap External Ventilation Cover Ducting

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Europlast #ad - Externally wall mounted and finished in Brown. Removable cowl section for easy installation and cleaning. Cowled hooded wall vent baffle with removable single blade back draught shutter. Ideal for cooker hoods, bathroom and kitchen extractor fans. Suitable for Ø 100mm / 4inch Ducting & extractor fan connections.
BrandEuroplast #ad
ManufacturerEUROPLAST #ad

8. DOMUS

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Tumble Dryer Vent kit White Cowl outlet, 100mm/4 round through wall kit

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DOMUS #ad - Fits all models with standard 4" flexible hose - Suitable for tumble dryers, cooker hoods and bathroom fans. Good quality. 100mm / 4 " wall sleeve tube - Sturdy durable and long lasting. Complete kit - 1 x cowl, 1 x wall sleeve tube, 8 x wall plugs, 1 x Threaded hose connector, 1 x wall plate, 8 x screws.
BrandDOMUS #ad
ManufacturerPolypipe #ad
Height11 cm (4.33 Inches)
Length35 cm (13.78 Inches)
Weight0.46
Width25 cm (9.84 Inches)
Part NumberVSTDWC100R

9. LIRAST

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Vent Cover/Cap, Exhaust Tube End, Ø 100mm / 4 inch Metal Chimney Cowl with Bird Guard, Rain Snow Hat

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LIRAST #ad - Featuring a concentric Top Cone to Stop any Water Entering Back Into Duct. Ideal for spiral ducts or Flexible Ducts That Terminate up Through a Roof Space. Diameter of the connection: 100mm / 4'' // Made of Galvanized Steel Sheet. Protection mesh prevents birds, Insects, Leaves and Others From Entering Into The Ductwork. Epdm rubber gasket ensures Tight Connections Between System Components.
BrandLIRAST #ad
ManufacturerLIRAST #ad