Automatic Window Opener Agricultural Greenhouse Heat Sensitive Cool Vent, 501 Original

Features:1. Open the window according to the temperature.2. Easy to adjust the Open Angle.3. Made of aluminum.Easy to install, partial assembly,with spring and installation fittings. 4. Automatic window opener is suitable for all greenhouse or Furniture Frames.5. The window opener is an automatic temperature control device.6. NC contactor responds to the temperature change directly,lead the window open or close.7. Window opener is working at the temperature range about 13 to 34 ℃.8. The cylinder reacts to room temperature directly.9. No batteries or electricity required.Specifications:Cylinder L X D: 26 X 1.5 cm/10.24 X 0.59\"Lifting capacity: Maximum 15 kgLifting height: Maximum 40cm/15.75\"Temperature range: 10 ℃to 37 ℃Open Angle: 30°Size: Long X Width X Height: 370 X 50 X 235 mm/14.57 X 1.97 X 9.25\"Weight: 0.6kgUltimate Load: 15kgNotes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.1 X Automatic Window Opener