Halls Automatic Roof Vent Opener

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Halls Automatic Roof Vent Opener


Buy 2 or more, each at $58.49

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Shipping weight = 2.00 lbs.


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Product Summary:

Automatic Roof Vent Opener 
Some Additional Accessories

Windows are important not only for ventilation, but also for encouraging pollinating bees to enter on sunny, windless days.Halls offers a wide range of accessories for each greenhouse, enabling the gardener to get the fullest use and enjoyment from their greenhouse.


  • Easily installed
  • No batteries required
  • Simply replaces existing vent arm
  • May be adjusted for different opening temperatures
  • Allows for automatic controlling of greenhouse temperature

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A Halls Greenhouses Creation

Halls has been manufacturing garden buildings and greenhouses since 1934, and through the decades has worked hard to establish an international reputation for high quality at an affordable price. The company continues to manufacture its award-winning range of garden buildings which now incorporate all the latest innovations in aluminum frames, glazing and timber, whilst retaining a traditional and stylish appearance.


For absolute peace of mind, every greenhouse aluminum frame comes with a 15 year guarantee, five years more than you'll receive from other well-known manufacturers.


You won't find a more extensive range of the highest quality garden buildings at such great prices, whilst giving you the confidence of an established market-leading brand.


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