Automatic Greenhouse Window Opener Black for Ventilation

Package Include 1 x Automatic Window Opener Characteristics -Color:Black -Product Info:Automatic window opener -Material:Galvanized aluminum - Size: 29.50X1.50X1.50cm/11.59X0.59X0.59in -Very sturdy for frame, looks nice and not rust. Can better promote growth greenhouse window opener. -It can supply a good temperature condition for plant's growth. Practical to use greenhouse opener. -Thicker and stronger galvanized aluminum material, suitable for windy mountain area, resist wind. -Convenient to use, greatly save your time and efforts. Automatically open greenhouse windows greenhouse accessories. -Automatic design, cost nothing to operate, user-friendly. The perfect workmanship will give you an excellent use experience replacement roof opener.Goods Informationvent opener Ideal for your greenhouse window-opens and your greenhouse window as the temperature changes automatically, very convenient to use.Greenhouse Cylinder Opener Maintains the best growing temperature and prevents your greenhouse from overheating

• Auto roof vent opener:automatic design, it can open and close automatically this plays a vital role in greenhouse planting,sensitive greenhouse window opener auto cylinder
• Gardening roof opener:the opener is practical non-electric, automatic uses to open or close vents,auto roof opener
• Roof opener for garden:please make sure your greenhouse window can be opened freely workmanship makes it has ,metal roof opener
• Vent opener:automatically to maintain the optimal growth temperature and prevent from overheating,auto window pole
• Window openers:automatic changes, don't need to stay near the greenhousevery convenient,window opener opening tool