HULIANFU RERO Greenhouse Double Spring Automatic Window Opener Solar Heat Sensitive Garden Vent Agricultural Tools

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Type: greenhouse window opener

Type: Solar Agricultural Greenhouses

Size: Approx 38x9.5x5cm

Origin: CN(Origin)

Model Number: Window Opener

Maximum opening weight: 7kg/15lb

Material: Aluminum Alloy

Cover Material: PC Sheet

Important Notice

1. Automatic ventilation of greenhouse can not be used at temperatures above 50° (122 F)
2. Make sure that your greenhouse window opens normally


- Maximum height of the window opening about 45cm
- The temperature of complete opening about 30° (depending on adjustment and load)
- Maximum weight vents not more than 7kg/15lb
- Opening temperature regulated 16° to 25°


When you receive this item in summer, you need to put the black bar into the refrigerator not less than 5 minutes to make the cylinder retracted fully before you assembly this product.

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We Offer Fast Global Shipping (Delivery Within 7-15Days)

Free Shipping on orders over $35

Processing time usually takes between 1-3 days

Standard Shipping charges start at $4.99, based on the weight of the item


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If your product is defective or doesn't work properly, let us know and we'll send you a replacement one.

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