CHANGE MOORE Auto Vent Opener Automatic Greenhouse Window Opener Roof Vent Opener Auto Vent Kit Sensitive Gardening Tools Automatic Greenhouses Supplies (Single Spring Up to 33lbs)

• Temperature Sensitive Ventilation : Our automatic window opener responds to temperature changes, efficiently regulating your greenhouse's internal climate. As the temperature rises, the gas-filled cylinder expands, gently pushing the window open. Once the temperature cools down, the spring mechanism closes the window smoothly Reliable Helper : Crafted from premium-grade anodized galvanized steel, this window opener guarantees long-lasting performance. Greenhouse vent opener can withstand the demands of greenhouse environments, ensuring it remains your trusted gardening companion for years Wide Temperature Range : Operating between 15°C to 25°C (60°F - 77°F), the opener adapts to various weather conditions. Greenhouse automatic vent opener achieves a full opening at temperatures above 35°C (95°F) and offers a maximum vent distance of 45cm (18"), promoting optimal air circulation No Batteries Required : Our automatic window opener is completely self-sufficient and doesn't rely on batteries or electricity for operation. No additional power source is needed, saving you money and reducing environmental impact Easy Installation and Compatibility : Installing the auto vent opener is quick and straightforward with the provided clamps and screws. Greenhouse window opener fits most greenhouse windows and seamlessly integrates with roof vents for houses, making it a versatile choice for different setups