For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

【Solar-Powered】Our greenhouse vent automatic opener operates fully on solar energy, expanding to open the vents as temperatures rises and using a spring-loaded mechanism to smoothly close them as they fall. This automatic greenhouse winder opener is designed to promote plant sustainability and growth without any need for power sources.

【Wide Temperature Range for All Weather Conditions】Featuring a broad operational temperature range from 15°C to 25°C (60°F - 77°F), this greenhouse winder opener stands up to all weather conditions. Please be advised not to use this cylinder in places where the temperature exceeds 50°C (122°F) to ensure its longevity and optimum performance.

【Easy to Install and Universally Compatible】Our greenhouse winder opener cylinder is not only easy to install, but it's also designed for compatibility with common greenhouse vent openers. It effectively replaces damaged or deteriorated parts, effortlessly restoring the performance of your greenhouse window opener.

【Dependable and Long-Lasting】Crafted from high quality iron, the automatic greenhouse vent opener is designed to withstand the rigors of the greenhouse environment. It ensures regular and reliable opening and closing of the greenhouse door, providing convenience to your gardening projects and promising enduring performance.

【Window Opener Replacement Pieces】In order to provide consistent service, we only offer replacement cylinders for your greenhouse window opener. Keep in mind, the window opener itself is not included. Enhance the longevity and efficiency of your existing greenhouse structure with this high quality and easy-to-install replacement cylinder.