Greenhouse Window Opener Solar Heat Sensitive Powered Roof Vent Kit Automatic Greenhouse Accessories Tool Load Capacity of 15 lbs (Black Single Spring1PCS)

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About This Easy Setup with Video: Step by step video guide, easy calibration, includes 2 long screws for metal frames Maximum Thrust of 15 Pounds: Powerful spring and cylinder desi gn, easy to open and close heavy-duty ventilation windows Durable and Rust Resistant: Sturdy metal with corrosion-resistant paint ensures long-term durability and reliable use Solar Powered Automatic: No electricity needed, heat activated, prevents overheating freezing automatically Universal Fit for Greenhouses: Fits most greenhouse types, auto regulates temperature, your smart gardening helper Show more