- Product Description
-
The Manrose Gravity Flap 4" (100mm) Brown is an external vent cover with a gravity-operated flap for 100mm ducting. It helps prevent backdraughts and reduces the entry of wind, rain and debris into ventilation outlets.
Key Features
- Fits 4" (100mm) ducting
- Gravity flap opens with airflow and closes when not in use
- Brown finish
- Suitable for external wall vent terminals
Uses
- Covering bathroom extractor fan outlets
- Finishing kitchen extract vent terminations
- Reducing backdraught on external duct runs
- Protecting vent openings from weather and debris
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