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.

【HIGH-QUALITY MATERIAL】 This replacement cylinder temperature sensor is made of high-quality materials, corrosion-resistant, wear-resistant, sturdy and durable, it is easy to use and has a long service life.

【PREVENT INDOOR OVERHEATING】 As the temperature changes automatically, using this greenhouse automatic roof ventilation opener can maintain the optimal growth temperature and prevent your greenhouse from overheating.

【ENVIRONMENTAL PROTECTION】 This replacement greenhouse product is non-electric and uses solar energy, which is very environmentally friendly. It opens or closes the greenhouse vents as the temperature rises or falls.

【USE TIPS】 This cylinder exhaust opener has high performance and is very suitable for your greenhouse windows. Note that this product needs to be refrigerated before use.

【QUALITY SUPPORT】 After you buy the window opener, if the quality does not meet your expectations, please contact us, we will reply you within 24 hours and solve the problem for you, if necessary, we will also provide return and exchange services.