Automatic Greenhouse Window Opener Cylinder Vent Tool for Outdoor Roof, Metal Auto Roof Opener Cylinder Pole for Ventilation and Temperature Control

Package List 1 x Automatic Window Opener Characteristics - Size: 29.50X1.50X1.50cm/11.59X0.59X0.59in -Color:Black -Material:Galvanized aluminum -Product Info:Automatic window opener -It can supply a good temperature condition for plant's growth. Practical to use auto window opener for greenhouse. -Automatic design, cost nothing to operate, user-friendly. The perfect workmanship will give you an excellent use experience sensitive greenhouse window opener auto cylinder. -Very sturdy for frame, looks nice and not rust. Can better promote growth roof opener for garden. -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 window lifter.Goods DescriptionSmart Greenhouse Opener Maintains the best growing temperature and prevents your greenhouse from overheating.replacement roof opener Ideal for your greenhouse window-opens and your greenhouse window as the temperature changes automatically, very convenient to use

• Auto vent opener:durable and rust-proof in humid environments great for most greenhouse to open or close window automatically,window ventilation
• Roof window pole opener:light weight and portable, easy to carry and storage durable and for you to use,greenhouse window opener vent
• Replacement window opener:easy to install, convenient and practical helps make our greenhouse window easy to use,window opener for garden
• Metal window pole:time and labor saving, also can supply a better temperature condition of plant's growth,greenhouse auto vent opener
• Cylinder window opener:the opener is practical non-electric, automatic uses to open or close vents,vent opener tool