Replacement Window Opener, Automatic Greenhouse Cylinder Windows Vents Auto Opening Automatic Vent Kit for Orbesen, Gardman & B&Q Vents

• REPLACEMENT CYLINDER : A cylinder for greenhouse window opener
• ✨SOLAR ENERGY: This special designed cylinder containing this wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply.Uses solar energy to heat the cylinder. Open or close the greenhouse vents as temperature rises or drops, helping to maintain optimal growth conditions in your greenhouse.
• ✨SIMPLE INSTALLATION: If you find a product that does not shrink, when it is cold or hot, it may be that the product is being used during the high temperature during transport has reached the maximum length.You only have to put the product in the refrigerator and take out after some time.
• ✨NOTE: Window opener will not work if these openers are used anywhere exceeding the temperature 50 ° (122F)

Features: Specifications: Item Type: Greenhouse Winder Opener Cylinder Temperature range 15°- 25°/60°-77F Weight: Approx. 107g Package: 1 x Greenhouse Winder Opener Cylinder Notes: Do not use this opener cylinder anywhere the temperature will exceed 50° (122F). Do not dismantle the cylinder. This products need to be refrigerated before use it. 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.