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.

【Optimum Ventilation】Your greenhouse windows are opened and closed with temperature control to get the best ventilation with this plant. With automatic temperature changes, maintain optimal growing temperatures and prevent overheating in the greenhouse.

【Solar power usage】: This window opener does not use electric power, but uses solar energy. It opens or closes greenhouse vents as the temperature rises or falls, saving you money

【Premium Aluminum Alloy】: Made of ultra-light and practical aluminum alloy material, strong and durable. Easy to transport, perfect for all windows in common gardens and greenhouses for long-term use

【Easy to Install】: The Greenhouse Window Opener Kit is easy to install and can be clipped or screwed to your greenhouse frame quickly and easily. The opening angle can be adjusted by turning

【Size】: Max lift height 45cm/ 18 inch, Max opening weight 7kg/15lb, freely adjustable between 20 - 25 °C (68 - 77 °F) for proper ventilation