2X Auto Vent Opener Solar Automatic...

Product description Features: Depending on the temperature, the piston of the cylinder moves and opens or closes the window automatically.As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.Does not require electricity or batteries. With the instructions supplied, the opener can be opened easily and without problems.Can be clamped onto or screwed onto your greenhouse frame.Perfect ventilation of garden and greenhouses I Ultra light.Opening angle can be adjusted continuously by turning the cylinder. Automatic window opener replacement cylinder You can purchase a replacement cylinder from our store separately. SUITABLE FOR MOST GREENHOUSES Notes: Do not use this opener in places where the temperature exceeds 50 °C (122 °F).Please make sure that your greenhouse window can be opened freely by at least 45 cm (18 inch).Do not exert excessive loads by locking or covering the windowDo not disassemble the cylinderThe opener cannot be stopped manuallySuitable for greenhouse windows up to 7 kg (from 7 kg we recommend the use of two window drives). Durable Material & Easy Installation Made of high quality of aluminum alloy for durability. Black Color powder coating for frame,looks nice and not rust.Comes with a fitting accessory pack and a detailed manual for easy installation. Automatic & Battery Free Solution Automatically open or close the greenhouse vents as temperature rises or drops.Our automatic greenhouse window opener is solar energy sourced, and doesn’t rely on batteries or electricity for operation. Dual Spring & Strong Force Double spring design, can withstand the wind and rain, extremely strong.Lifts up to 15Lbs (7kgs), suitable for most of greenhouse window and vent. Warm Tips: Maximum opening weight is 15Lbs (7kgs) for each unit, if the window weight exceed 15Lbs (7kgs), we suggest to use two vent openers or more to meet your demand. 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 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 MATERIAL: Black Color powder coating for frame, crafted from aluminum alloy, this window opener guarantees long-lasting performance. Built to withstand outdoor weather conditions, the corrosion resistant materials ensure reliable performance season after season.PRECISE TEMPERATURE CONTROL: Operating between 15°C to 25°C (60°F – 77°F), 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.