Ciieeo Solar Pole Automatic Opener Vent Replacement Greenhouse Window

Package List 1 x Automatic Window Opener Characteristics -Material:Stainless steel - Size: 30.50X1.50X1.50cm/11.99X0.59X0.59in -Color:Black -Product Info:Automatic window opening pole -Easy to install, convenient and practical accessories for greenhouses. -The automatic vent opener is suitable for most current garden greenhouses greenhouse tightener. -Light weight and portable, easy to carry and storage automatic vent opener for greenhouse. -Durable and rust-proof in humid environments, with roof ventilation. -Automatically to maintain the optimal growth temperature and prevent from overheating roof ventilation equipment.Goods Descriptiongreenhouse automatic vent (window opens).Vent Opener for Greenhouse 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.greenhouse window vent opener If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window )

• Automatic greenhouse cylinder--can be clamped onto or screwed onto your greenhouse frame,automatic vent opener
• Window opener--as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating,gardening supplies
• Roof vent opener--solar energy sourced, cost nothing to operate,,greenhouse kits for outdoors
• Greenhouse accessories--convenient to use, greatly save your time and efforts,accessories for greenhouses
• Mini greenhouse ventilation system--light weight and portable, easy to carry and storage,Greenhouse Window Actuator