Free Shipping Greenhouse Window Opener Automatic Greenhouses Ventilation Window Openers For Garden
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Free Shipping Greenhouse Window Opener Automatic Greenhouses Ventilation Window Openers For Garden

$20.56
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SPECIFICATIONSBrand Name: NoneOrigin: Mainland ChinaCover Material: galvanizationModel Number: commomType: Solar Agricultural GreenhousesType: greenhouse window openerSize: Approx 38x9.5x5cmtypes of: Single spring 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 Specifications - 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° Note 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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