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Solar Automatic Greenhouse Window Opener Vent Replacement Pole

<ul><li>This is a replacement cylinder for automatic window opener</li><li>High , automatic respond to weather changes, so you don't need to stay near the greenhouse</li><li>Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops</li><li>Great for most greenhouse to open or close window automatically</li><li>Time and labor saving, also can supply a better temperature condition of plant's growth</li></ul>

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Description  This is a auto window opener, selected premium material, wear resistant lightweight and so portable, safe and durable. It's made with excellent workmanship. It is suitable for greenhouse usage. A nice helper for you.  Features  -Color:Black -Material:Stainless steel - Size: 32.00X1.50X1.50cm/12.58X0.59X0.59in  -This is a replacement cylinder for automatic window opener. -High , automatic respond to weather changes, so you don't need to stay near the greenhouse. -Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. -Great for most greenhouse to open or close window automatically. -Time and labor saving, also can supply a better temperature condition of plant's growth. &nbsp;  &nbsp;