Replacement Cylinder For The Window Opener

Product Description

• Intelligent temperature control: Non-Electric, uses solar energy, opens or closes the greenhouse vents as the temperature rises or drops, As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• Important notice: The proper temperature range of the opening cylinder of the greenhouse winder is 15 ° – 25 °/60 ° – 77 ° F. Do not use this opening cylinder where the temperature exceeds 50 ° or 122F.
• Convenient to use: The opening cylinder of the greenhouse winder is made of high-quality materials, durable and easy to use.
• Practical Window Opener: Window opener is very suitable for your greenhouse windows.
• Window Opener Replacement: This listing is a replacement CYLINDER only, for the full set of auto vent openers you can find it in our website.