4" 100mm Gravity (Flappy) Square Wall Vent (White, Black, Brown,) 401903
Gravity Extractor Fan Grilles
Gravity Grilles can be used where a fan may not have a back draft shutter to provide anti 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 connect to 4" 100mm ducting systems
* Grilles styles may vary slightly in appearance shown in picture depending on the manufacturer model we have stock at time of order. If you require a specific design of grille, please give us a call.
4" 100mm Fixed Louvre Wall Square Vent (White, Black, Brown, Terracotta, Cotswold stone) 401907