125 mm Plastic Ducting Air Inlet Outlet with Gravity Shutters for Extractor Fans MVHR Unit HVAC Passive Ventilation Positive Input Air Conditioning Tumble Dryer Air Flow External Ventilation Cover

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Product description

  • This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, air conditioning, HVAC, and Heat Recovery Systems.
  • Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break.
  • Suitable to use in compliance with Part F Building Regulations.

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