Juliana Spiro window opener
Automatic window opener
Ventilate out and keep an eye on the temperature with the Juliana Spiro window opener. The automatic window opener is made of stainless steel and is best suited for glass. It opens and closes automatically between 16°C and 25°C. The Spiro window opener is equipped with a visible thermometer for you can keep an eye on the temperature from within the greenhouse. Read more about the Spiro and choosing the right window opener for your greenhouse.