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. Durable and Reliable: Crafted from premium-grade anodized galvanized Steel, this window opener guarantees long-lasting performance. It 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. It achieves a full opening at temperatures above 35°C (95°F) and offers a maximum vent distance of 45cm (18"), promoting optimal air circulation. Battery-Free Solution: 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 opener is quick and straightforward with the provided clamps and screws. It fits most greenhouse windows and seamlessly integrates with roof vents for houses, making it a versatile choice for different setups.