CHANGE MOORE Replacement Cylinder for Automatic Vent Opener, Sensitive Greenhouse Window Opener Auto Cylinder, Automatic Opener Temperature Control Window Greenhouse Accessories 2Pcs

• No Batteries Required : Non-electric, utilizes solar energy to open or close the greenhouse vents when the temperature rises or falls, and when the temperature rises, a greenhouse winder opener cylinder expands and gently pushes the window open. Once the temperature drops, a spring-loaded mechanism smoothly closes the window Wide Temperature Range : The greenhouse winder opener cylinder in temperatures ranging from 15°C to 25°C (60°F - 77°F) and is adaptable to all weather conditions. Do not use the replacement cylinder in locations where the temperature exceeds 50 ° (122 F) Easy Installation and Compatibility : Designed for common greenhouse vent openers, this opening cylinder is easy to replace, easily replacing damaged or deteriorated parts and restoring the original performance of the greenhouse window opener Reliable Helper : This opening cylinder of the greenhouse winder is made from high quality materials to ensure long lasting performance. replacement cylinder can withstand the demands of the greenhouse environment, ensuring that the greenhouse door opens and closes on a regular basis to promote plant growth and provide more convenience for your gardening projects Window Opener Replacement Pieces : Only provides replacement cylinders for your convenience to replace the old greenhouse window opener auto cylinder, window opener is not included, please check carefully