NAVPLUS Gewächshaus-Fensteröffner 2pcs Ersatz Zylinder für automatischer Gewächshausfensteröffner, (2-tlg)

Produktbeschreibung

Replacement Cylinder Greenhouse Wind Properties: This is a replacement cylinder for automatic window opener. Because the temperature changes automatically, it maintains the best growing temperature and prevents overheating of your greenhouse. Not electric, uses solar energy, open or close the ventilation openings of the greenhouse when the temperature rises or falls. Ideal for most greenhouses to automatically open or close windows. If you receive this item in the summer, you do not need to put the black bar in the refrigerator for less than five minutes so that the cylinder is fully retracted before mounting this product. Specifications: Item type: Greenhouse window opener cylinder Material: ABS Colour black Temperature range: 15-25℃ Size: approx. 31,5 to 1,5 cm to 12,4,0,59 inch Delivery content: 2 x Cylinder for Window Opener Automatic Vent Autovent