A vent with gravity operated Louvres is designed for external wall mounting and will ensure your exhaust/ventilation system is closed when the fan is not in operation.
The shutters are designed to open with the force of the fan.
This listing is for a terracotta vent with a 100mm neck, which will connect to 100mm ducting or piping.
|Size||Connects to 100mm Duct|
|Vent Type||External, Wall|
The products listed below are compatible accessories for this item: