Zoternen Automatic Window Opener Cylinder for Greenhouse, Opening and Closing Through Automatic Temperature Control, Lifting Capacity: 7 kg, Lifting Height 40 cm
As the temperature changes automatically, it maintains the best growth temperature and prevents overheating of the greenhouse.
Non-electric, use solar energy, open or close greenhouse air vents when the temperature rises or falls. Accessories and installation manuals included Can be fixed or screwed onto the greenhouse frame.
IMPORTANT NOTICE: Do not use this opening device anywhere the temperature exceeds 50°(122F). Make sure your greenhouse can be opened freely by at least 45 cm (18 inches).
Do not apply excessive loads by blocking or covering the window. Do not disassemble the cylinder. Non PU can opener stop manually
Ideal for your greenhouse - opens and closes your greenhouse.