Ejoyous Automatic Roof Vent Opener Greenhouse Window Opener Ventilation Replacement Cylinder Temperature Sensor for Garden Greenhouses

Specification: Features: Made of quality material, sturdy and convenient to use. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Non-electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. Great for your greenhouse window. This products need to be refrigerated before use it. Specifications: Item Type: Greenhouse Winder Opener Cylinder Temperature range 15°- 25°/60°-77F Weight: Approx. 107g Package: 1 x Greenhouse Winder Opener Cylinder Notes: Do not use this opener cylinder anywhere the temperature will exceed 50° (122F). Do not dismantle the cylinder. This products need to be refrigerated before use it. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering."

• [Automatic Temperature Control] Designed to respond seamlessly to temperature changes this vent opener maintains the ideal growing environment by automatically opening or closing vents. it operates within a range of 15° 25°c 60° 77°f preventing overheating and protecting your plants.
• [Solar Powered Non Electric] Harnessing the power of solar energy this vent opener requires no electricity making it ecofriendly and cost effective. its simple yet effective design ensures smooth operation without the need for complex wiring or external power sources.
• [Great for Greenhouse ] Specifically engineered for greenhouse this automatic roof vent opener cylinder is easy to install and fits most standard setups. it enhances ventilation and airflow promoting healthier plant growth and a more productive gardening experience.
• [Pre Use Refrigeration Required] To ensure optimal performance this product must be refrigerated before use. this step is crucial for activating the temperature sensitive mechanism allowing it to function correctly and provide reliable automatic vent control.
• [Material] Crafted from durable materials this greenhouse window opener cylinder is built to withstand the elements ensuring long lasting performance. its robust construction guarantees reliability season after season making it a must have for any serious gardener.