A 100mm gravity operated back-draught grille for exhaust and extract ventilation applications. The gravity blades open under positive airflow and close automatically when the fan stops, preventing cold air back-draught ingress.

Key Features

• Spigot size: 100mm
• Gravity operated back-draught prevention blades
• Blades open under positive airflow, close when fan stops
• Prevents cold air back-draught ingress
• Suitable for bathroom, kitchen, and general exhaust
• White powder coated finish