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 Window Opener: The greenhouse window opener is made of premium material, which has weather proof, durability and rust proof. This products need to be refrigerated before use it.

Automatic Design:The automatic window opener opens and closes your greenhouse window as the temperature changes automatically, maintaining the best growing temperature and prevents your greenhouse from overheating.

Greenhouse Assistant: Prevent the greenhouse from overheating. Ideal for opening and closing greenhouse through greenhouse . Open 15 ° C-25 ° C (60 ° -77F). Do not use this opener cylinder anywhere the temperature will exceed 50° (122F).

Solar Energy: Non-electricity that uses solar energy when the temperature rises or falls opens or closes the greenhouse openings. The solar heat sensitive vent can lift up to 15 pounds. The cylinder can be closed well before freezing and then opened again.

Hydraulic Cylinder with Wax:Our core technology is the hydraulic cylinder that contains a plant-based wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply. So that our renowned hydraulic cylinders replaces the small range of window openers.