Automatic Greenhouse Window Opener Vent Kit Solar Powered Temperature Sensitive Auto Vent Opener for Garden and Greenhouse 7kg Load Capacity

Package Include 1 x Automatic Window Opener Characteristics - Size: 30.50X1.50X1.50cm/11.99X0.59X0.59in -Color:Black -Material:Stainless steel -Product Info:Automatic window opening pole -Automatically to maintain the optimal growth temperature and prevent from overheating greenhouse kit. -The automatic vent opener is suitable for most current garden greenhouses automatic vent opener for greenhouse. -Durable and rust-proof in humid environments, with opening for ventilation. -Light weight and portable, easy to carry and storage window limiter controller. -Easy to install, convenient and practical automatic window opener for greenhouse.Goods InformationVent Opener for Greenhouse If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window ).accessories for greenhouses (window opens).Auto Vent Opener 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--automatically to maintain the optimal growth temperature and prevent from overheating,green house supplies
• Roof ventilation--perfect for your greenhouse window--opens and your greenhouse window,greenhouse tools
• Push-pull window opener--convenient to use, greatly save your time and efforts,Window Opener
• Auto window opener for greenhouse--non electric, uses solar energy, open or close vents as temperature rises or drops,greenhouse window opener automatic
• Solar window opener--as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating,automatic opening closing louver