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.

[PREMIUM QUALITY] - The window opener is made of high quality aluminum alloy. Durable and rust resistant in damp environments Long service life.

[SUITABLE FOR MOST GREENHOUSES] - With springs and support rods, to provide extra protection against wind damage. The Automatic vent opener is appropriated for most of the current garden greenhouses.

[OPTIMAL VENTILATION] - Your plants are optimally ventilated through temperature-controlled opening and closing. Depending on the temperature, the piston of the cylinder moves and opens or closes the window.

[AUTO WINDOW OPENER] - As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.

[INDIVIDUALLY ADAPTABLE] - Can be installed quickly and easily for the windows of common garden and greenhouses. You can steplessly adjust the opening angle by turning the cylinder and thus achieve the right ventilation for your bed.