Ftory Automatic Window Opener Kit - Greenhouse Window Opener Automatically Prevent Overheating Vent Autovent Solar Heat Energy Sensitive Automatic Ventilator Greenhouses Roof

【HIGH QUALITY MATERIAL】Aluminum frame looks more lustrous, durable and rust-proof and stainless steel accessories would last long time use.elongated aluminum cylinder with paint spraying, weather resistant. 【ADJUSTABLE TEMPERATURE】The automatically adjusted temperature is 20 to 25°C.As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. 【EASY TO INSTALL】Can be clamped onto or screwed onto your greenhouse frame. Universal fit for all aluminum frame greenhouse.suitable for the vents weighting up to 7kg/15lb.