Description
as if your workspace simply withdraws back into the garden on its own
fill it with water and let it do the work
The wool allows water and air through
The opener starts opening at around 17°C and is adjustable up to approximately 25°C
Can be used with jars with a large neck opening (wide)
automatische raamopener dubbele veer Colour:Aluminium as if your workspace simplyThe automatic roof window opener with double spring regulates the ventilation of your greenhouse window fully automatically, without you having to keep checking it yourself. The system works with a cylinder filled with special wax that reacts to temperature: when it gets warmer in the greenhouse, the window opens; when it cools down, the window closes again. This keeps the climate in your greenhouse better balanced, even when you are not there. It is