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Hewolf Universal Automatic Greenhouse Agricultural Window

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Model Number
Automatic Greenhouse Window Opener
Frame Material
Aluminum Alloy
Brand Name
Sail Finishing
Not Coated
Sail Material
for air circulation
Suit for
window up to 7 kg
Maximum opening temperature range
15- 23 Celsius/59-73 Fahrenheit
Opening temperature can be adjusted

16 Feb 2018

- Anonymous




Universal Automatic Greenhouse Window Opener Agricultural Window Vent Opener Solar Heat Sensitive Replacement Vent Opener
Opens vent window automatically at warm temperature for air circulation and heat relief and closes when temperature cools.
Suitable for greenhouse window up to 7 kg (if there is more than 7 kg, we recommend that you use two window opener).
Spring controlled, resists wind damage when opening and closing.
Opening temperature can be adjusted for specific needs.
Suitable for aluminium or wooden greenhouses.
Color: silver
Material: metal
Maximum opening window of approximately 45 cm / 18 inch
Maximum opening temperature range:15- 23 Celsius/59-73 Fahrenheit
Power source: sunshine
Item size: approx.32*2.5*3.5CM
Package size: approx.33*6.5*5.5CM
Package Include:
1 X Automatic Greenhouse Window Opener
1 X Bag Accessory    
Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.
The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding.
Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).