Beschreibung

• Important Notice 1 Automatic ventilation of greenhouse can not be used at temperatures above 50° (122 F) 2 Make yes that your greenhouse window opens usually Specifications - Maximum top of the window opening about 45cm - The temperature of whole opening about 30° (depending on adjustment and load) - Maximum weight vents no more than 7kg/15lb - Opening temperature regulated 16° to 25° Note When you acquire this merchandise in summer, it is best to put the black bar into the refrigerator not lower than five minutes to make the cylinder retracted completely before you assembly this product

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