2X Auto Vent Opener Solar Automatic Window Opener for Greenhouse Heat Sensitive Roof Vent Opener Auto Vent Kit Gardening Tools Greenhouse Accessories Hothouse Roof Vent Kit Dual Spring Up to 30lbs

DUAL SPRING DESIGN Compared with the single spring vent our solar heat sensitive roof vent opener adopts double spring design which has stronger thrust force and more solid In addition to ordinary areas it can also be applied in windy mountainous areas resist wind twist bringing much convenience to you SOLAR POWERED OPERATION Our greenhouse vent automatic opener responds to temperature changes efficiently regulating your greenhouses internal climate As the temperature rises the gasfilled cylinder expands gently pushing the window open Once the temperature cools down the spring mechanism closes the window smoothly DURABLE MATERIAL Black Color powder coating for frame crafted from aluminum alloy this window opener guarantees longlasting performance Built to withstand outdoor weather conditions the corrosion resistant materials ensure reliable performance season after season PRECISE TEMPERATURE CONTROL Operating between 15C to 25C 60F 77F the greenhouse window opener adapts to various weather conditions Automatic window opener helps maintain an optimal growing environment inside the greenhouse with temperatures that neither get too hot nor too cold EASY INSTALLATION Installing the greenhouse vent 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