COLLBATH Automatic Solar Powered Window Opener Vent Replacement Pole for Greenhouse Gardening 7kg Load Capacity, Heat Sensitive Auto Ventilation Tool for Greenhouse Roof Vent

Package List 1 x Automatic Window Opener Characteristics - Size: 32.00X1.50X1.50cm/12.58X0.59X0.59in -Color:Black -Product Info:Automatic window opening pole -Material:Stainless steel -Durable and rust-proof in humid environments, with greenhouse window vent opener. -Easy to install, convenient and practical greenhouse window opener kit. -Light weight and portable, easy to carry and storage auto greenhouse vent opener. -The automatic vent opener is suitable for most current garden greenhouses greenhouse kit. -Automatically to maintain the optimal growth temperature and prevent from overheating automatic greenhouse window opener kit.Goods Descriptionwindow lifter If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window ).opening for ventilation Working principle of greenhouse vent automatic opener: If the temperature of rises, the gas in the gas field will become hot, and the spring force will push it out due to the increase in pressure.solar automatic window opener (window opens)

• Push-pull window opener--easy to install, convenient and practical,greenhouse window vent opener
• Greenhouse automatic vent--high , automatic respond to weather changes, don't need to stay near ,Auto Vent Opener
• Solar powered opener--great for most greenhouse to open or close window automatically,gardening supplies
• Opening for ventilation--durable and rust-proof in humid environments, with ,Vent Opener for Greenhouse
• Greenhouse opener--time and labor saving, also can supply a better temperature condition of plant's growth,greenhouse vent opener strut