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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- 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. The external dimensions of this cowled vent are 155 mm x 155 mm.
- Our air-cowled vent grille cover is manufactured of premium quality antistatic plastic that is temperature and UV-resistant. Suitable to use in compliance with part F building regulations. Wipe-clean durable design for indoor or outdoor use.
- Designed to provide optimum airflow performance. Easy and secure to install for outer wall mounting. Simply push-fit duct and fittings together. Smooth installation process and cleaning through the use of the removable blade and duct cowling baffle. 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.
- Gravity-operated back draught shutters supply exceptional protection against the effects of high winds and driving rain. The product includes a damper flap to help reduce backdrafts. 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.
- The multifunctional cowled grille is suited for bathroom, kitchen & wet room extractor fans. The grille can be applied as an important part of a ventilation system to terminate any extractor fans, air conditioning units, cooker hood, or duct to an external wall.
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