Tofficu Automatic Greenhouse Vent Opener for Metal Roofs, Cylinder Window Pole Temperature-Sensitive Auto Lift, Black Gardening Tool for Energy-efficient Ventilation

Package Include 1 x Automatic Window Opener Features -Product Info:Automatic window opener - Size: 29.50X1.50X1.50cm/11.59X0.59X0.59in -Color:Black -Material:Galvanized aluminum -Thicker and stronger galvanized aluminum material, suitable for windy mountain area, resist wind. -Very sturdy for frame, looks nice and not rust. Can better promote growth vent opener tool. -Convenient to use, greatly save your time and efforts. Automatically open greenhouse windows metal window opener. -Automatic design, cost nothing to operate, user-friendly. The perfect workmanship will give you an excellent use experience greenhouse vent opener. -It can supply a good temperature condition for plant's growth. Practical to use greenhouse winder opener.Goods Descriptiongreenhouse winder opener Ideal for your greenhouse window-opens and your greenhouse window as the temperature changes automatically, very convenient to use.solar window opener Maintains the best growing temperature and prevents your greenhouse from overheating

• Vent opener for garden--convenient to use, greatly save your time and efforts automatically open greenhouse windows,auto window pole
• Sensitive greenhouse window opener auto cylinder--thicker and stronger galvanized aluminum material, suitable for windy mountain area, resist wind,Durable Greenhouse Opener
• Window opener for garden--automatically to maintain the optimal growth temperature and prevent from overheating,Greenhouse Cylinder Opener
• Window pole for greenhouse--simple installation, convenient operation, automatic window opening, suitable for all kinds of greenhouse,cylinder vent opener
• Greenhouse window openers--durable and rust-proof in humid environments great for most greenhouse to open or close window automatically,Smart Greenhouse Opener