The Airflow brown gravity grille is 100mm anti-back draught shutter which are designed to open during fan operation and close when the fan is switched off. The grille will prevent external airflow or wind pressure from travelling up the duct and into the property.
154 X 154 X 100 Gravity Grille
Brown
Grilles
IPX4 Rating
Can Be Installed In Zones 1 & 26
Technical specification
TypeGravity GrilleDiameter100 mmColourBrownManufacturer Model No90002005RBrand NameAirflow