Toddmomy Automatic Window Opener for Greenhouse, 7kg Stainless Steel Rod

Package Include1 x Automatic Window OpenerFeatures- Size: 30.50X1.50X1.50cm/11.99X0.59X0.59in-Color:Black-Material:Stainless steel-Automatically to maintain the optimal growth temperature and prevent from overheating automatic greenhouse vent opener.-Easy to install, convenient and practical Solar Powered Window Opener.-Light weight and portable, easy to carry and storage automatic roof vent opener.-Durable and rust-proof in humid environments, with gardening tools.-The automatic vent opener is suitable for most current garden greenhouses green house accessory.-Product Info:Automatic window opening poleGoods Informationautomatic window opener for greenhouse (window opens).greenhouse plastic If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window ).Greenhouse Auto Vent Openers 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 vent opener strut:thicker and stronger steel material, suitable for windy mountain area, resist wind,greenhouse ventilation
• Window lifter:non electric, uses solar energy, open or close vents as temperature rises or drops,window automatic opener
• Accessories for greenhouses:as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating,greenhouse tightener
• Greenhouse window open tool:it can supply a good temperature condition for plant's growth,Automatic Greenhouse Vent
• Automatic greenhouse vent opener:the perfect workmanship will give you an excellent use experience,gardening accessories