Solar-Powered Greenhouse Window Opener - Hydroponics Cylinder & Temp Sensor for Healthy Gardening

Solar-Powered Greenhouse Window Opener - Hydroponics Cylinder & Temp Sensor for Healthy Gardening

$19.99
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Features: This is a replacement cylinder for automatic window opener. High sensitive, 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. Specifications:Condition: 100% Brand NewMaterial: ABSColor: BlackTemperature Range: 20-25℃ / 68-77℉Size: Approx. 33 x 1.5cm / 12.99 x 0.59inWeight: Approx. 117g Maximum Opening Distance: Approx. 45 cm / 18in Adjustable Length: Approx. 33-45cm/ 13-18inApplication: For Under 14 Kg Window Package Included:1 x Window Opener Cylinder OnlyNote:1. Please allow 0-2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real o

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