6" 150mm Gravity (Flappy) Square Wall Vent (White, Black, Brown,) 401904
Gravity Extractor Fan Grilles
Gravity Grilles can be used where a fan may not have a back draft shutter to provide antil back draft when an extractor fan is switched off.
Manufactured with UV stable materials to reduce colour fade
Excellent air flow performance
Easy to install
Round spigot to connet to 6" 150mm ducting systems
* Grilles styles may vary slightly in appearance than shown in picture depending on which manufacturer we have in stock at time of order.