150 mm Diameter External Plastic Gravity Flaps with Spigot Intake Wall Extractor Fan Shutter Grille Damper Pressure Drop for Ducting Exhaust

Modern wall vent finish - Black exterior grille provides a clean, contemporary appearance that suits a wide range of property styles and external wall finishes. Gravity-operated airflow flaps – Integrated gravity flaps open during operation and close when idle, helping maintain consistent airflow while reducing backdraughts. Standard 150 mm duct compatibility – Designed to fit 150 mm ducting, suitable for bathroom extractor fans, general ventilation systems, and heat recovery units. Quick and simple installation – Designed for straightforward external wall fitting using basic fixings, allowing fast installation without specialist tools or adjustments. Durable weather-resistant PVC – Manufactured from hard-wearing PVC designed to withstand outdoor conditions and maintain performance over long-term external use., Manufacturer: FANTRONIX