Automatic Greenhouse Window Opener Heat Sensitive Vent Opener Kit

Product Description This automatic greenhouse window opener uses a heat-sensitive mechanism to open and close vents based on temperature changes. It helps maintain stable growing conditions without electricity. Features: Made from aluminum and iron Opens and closes automatically with temperature changes Suitable for standard garden and greenhouse windows Easy to install Note: Color may vary slightly due to monitor display and lighting Manual measurement may result in a tolerance of 13 cm | SPETLEK Automatic Greenhouse Window Opener Heat Sensitive Vent Opener Kit in Silver