Hon&Guan 100 mm Cowled Air Vent Covers for Walls Outside with Backdraft Flap Ventilation Grille External Vent Cover 4 Inch for Tumble Dryer, Extractor Fan, Bathroom Fan

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  • Well Sealed The extractor fan vent is equipped with a non-return damper flap to prevent air from flowing back. The sponge magnet on the backdraft damper keeps the flap closed and effectively reduces noise when the flap is in operation.
  • Easy to Install The black cowled vent cover has a stylish polished metal finish that perfectly matches the wall. It comes with four long screws for easy installation.
  • Wild Applications This 4 inch air vent cover fits a 100 mm hose of various materials. It is the perfect choice for indoor ventilation and exhaust.

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