Automatische Raamopener met Thermometer Muurkas but also essential for supporting

but also essential for supporting bees

it will take about an hour

Ideal for crops such as cucumber

Capacity 1 L

Automatische Raamopener met Thermometer Muurkas but also essential for supportingAn automatic window opener for a roof vent. The opener works via an expansion fluid in a pressure cylinder and automatically opens the window at a set temperature. The opening can be adjusted by turning the opener tighter or looser. Only suitable for the roof vents of Vitavtia greenhouses (excluding the Ida 900 and 1300). The window opener is easy to install yourself. With thermometer Maximum opening height: 45cm Minimum temperature for opening: 16C