vitavia_thermovent_auto _raamopener Staal The glass or polycarbonate sheet

The glass or polycarbonate sheet is pressed firmly against the frame and clamped in place with springs between the profile and capping

Purpose: Carrying your harvested vegetables

corrosion and wear

ornamental shrubs and other woody plants

Within a few days the sprouts will start to grow and will be ready to harvest

vitavia_thermovent_auto _raamopener Staal The glass or polycarbonate sheetAn 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 certain temperature. The window opening can be adjusted by turning the opener tighter or looser. Only suitable for the roof vents of Vitavtia greenhouses. The window opener is easy to fit yourself. Not suitable for the Ida 900 1300 Maximum opening height: 45cm Minimum temperature for opening: 16C to 25C