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GN- Greenhouse Window Opener
£24.99- Easy to install and does not need electricity as it uses the heat from the sun.
- Automatically starts to open with the heat from the sun between 17°C – 25°C depending on the setup.
- Made from Aluminium zinc coated steel.
- Maximum opening approx 45cm depending on adjustment and load. Full instructions provided.
- Has an opening force of 7kg. Maximum opening at 30°C.