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Zelsius Set of 2 Automatic Window Opener for Greenhouse, Cold Frame, Garden Shed, Temperature Controlled and Infinitely Adjustable, Accessories for Greenhouses

Perfect ventilation of your plants thanks to temperature-controlled opening and closing. By turning the cylinder, the window automatically opens from 18°C to 35°C. From 35°C, the automatic window opener is fully extended. The automatic window regulator can be easily and easily installed in all standard greenhouses and garden sheds. You can freely adjust the opening angle of the cold frame opener by turning the cylinder, so that your bed is optimally ventilated. The automatic window opener opens and closes the greenhouse window automatically when temperature changes. You do not need batteries or a power connection.

Thanks to the lightweight and practical design, the roof fan is easy to assemble and disassemble, as well as transport. So you can quickly and easily attach the opener to all windows of common greenhouses and garden sheds. The automatic window regulator comes with all mounting material. This is suitable for all windows of standard greenhouses and garden sheds.

Highlights:
- Maximum load: approx. 7 kg.
- Weight: approx. 1.3 lbs.
- Temperature range: approx. 18 C to 35 C
- Works without electricity and without batteries.
- Suitable for all windows of common greenhouses and garden sheds.
- Box contents: 2 x automatic window opener including mounting material.
- Branded product from Zelsius