Double Spring Automatic Window Opener for Greenhouses Sturdy Ventilation System Easy to Install Compatible Greenhouse Sizes

Package List 1 x Automatic Vent Opener Features -Size: About 34.00X12.00X5.00cm/13.36X4.72X1.97inch automatic greenhouse window opener -Material: Galvanized sheet, aluminum greenhouse automatic vent opener -Color: Silver automatic vent opener greenhouse windows -Made of , very sturdy and durable greenhouse vent opener. -Can be clamped onto or screwed onto your greenhouse frame greenhouse ventilation equipment. -It can maintain the best growing temperature and prevents your greenhouse from overheating automatic vent opener for greenhouse. -It is premium and compact, very space saving greenhouse window vent opener. -It can open or close vents as temperature rises or drops automatic window opener for greenhouses.Goods Descriptiongreenhouse automatic vent opener It can be installed easily onto your greenhouse frame, very simple and convenient.auto vent opener automatic Great for variety of occasions, garden, flower room, farm, botanical garden, railway and greenhouse.greenhouse vent opener The window opener is made of materials, which is strong and sturdy

• Automatic vent opener:great for variety of occasions, garden, flower room, farm, botanical garden, railway and greenhouse,greenhouse automatic vent opener
• Window opener:when the temperature changes, the vent opener can automatically stretch or contract the vent,greenhouse ventilation equipment
• Greenhouse window vent opener:the window opener automatically opens and through the thermal induction of the temperature, maintains the best growing temperature,automatic window opener
• Greenhouse window opener:this automatic window opener is made of galvanized sheet and aluminum materials,automatic window opener for greenhouses
• Automatic vent opener greenhouse windows:made of , very sturdy and durable,automatic greenhouse window opener