The gravity louvered grille is designed to allow air to be vented to the atmosphere while protecting against backdraft and vermin entry.
Complies to (Bushfire Attack Level) BAL40 when combined with ember proof mesh.
The gravity louvered grille is designed to allow air to be vented to the atmosphere while protecting against backdraft and vermin entry.
Complies to (Bushfire Attack Level) BAL40 when combined with ember proof mesh.