Automatic Greenhouse Window Opener, Metal Vent Opening Tool for Garden Greenhouses, Replacement Roof Pole for Ventilation and Temperature Control

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

• Cylinder vent opener:automatic design, cost nothing to operate, user-friendly the perfect workmanship will give you an excellent use experience,sensitive greenhouse window opener auto cylinder
• Window pole opener:light weight and portable, easy to carry and storage durable and for you to use,Smart Greenhouse Opener
• Cylinder window opener:automatic changes, don't need to stay near the greenhousevery convenient,greenhouse window opener vent
• Durable greenhouse opener:perfect for your greenhouse window--opens and your greenhouse window,auto roof opener
• Greenhouse cylinder opener:made of galvanized aluminum can be clamped onto or screwed onto your greenhouse frame,roof opener for greenhouse