Solar-Powered Automatic Greenhouse Window Opener - Double Spring Aluminum Vent Opener for Greenhouses & Cold Frames | Durable Greenhouse Accessories for Temperature Control & Plant Ventilation

[Solar Powered] Our Opener Automatic Vent is activated by heat in a mechanical system that requires no batteries or electricity and uses solar energy to open or close greenhouse vents as the temperature rises or falls.

[Automatic Temperature Control Sensor] This greenhouse vent automatic opener consists of an automatic temperature control sensor cylinder that allows the roof vent to open and close at the proper time to ensure adequate airflow.

[Durable material] Made of aluminum and stainless steel, the greenhouse window opener is durable and weather resistant, and can be installed quickly and easily on ordinary garden and greenhouse window, You can steplessly adjust the opening angle by turning the cylinder to achieve the right ventilation for your bed.

[Quick Opening and Closing] The automatic window opener can quickly open and close greenhouse window that can be clamped or screwed to the greenhouse frame to maintain the ideal growing temperature and prevent greenhouse overheating through automatic temperature changes.

[Satisfaction Guarantee] We believe the main reason to keep our customers is always the quality, not just the price, so we pay great attention to the quality of each product, after purchasing our greenhouse vent opener, you are welcome to comment or send us an email to tell us your opinion, we are always ready to provide you with better service!