Replacement Cylinder for Automatic Vent Opener, Sensitive Greenhouse Window Opener Cylinder with Length, for Greenhouses to Open

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 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 New Material: ABS Color: Black Temperature Range: 20-25 celsius Celsius 68-77 Fahrenheit Size: Approx. 33 x 1.5cm Celsius 12.99 x 0.59in Weight: Approx. 117g Maximum Opening Distance: Approx. 45 cm Celsius 18in

Length: Approx. 33-45cmCelsius 13-18in Application: For Under 14 Kg Window Package Included: 1 x Window Opener Cylinder Only Note: 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 one as standard. 3. No battery or electricity required, need to be refrigerated before use.