BIBISTORE Solar Automatic Window Opener for Greenhouse Heat Sensitive Auto Greenhouse Vent Opener Greenhouse Accessories Hothouse Roof Vent Kit-Lifts 15 Lbs

Features

• 1.Black Color powder coating for frame,looks nice and not rust.
• 2.Solar energy sourced, cost nothing to operate, environment friendly.
• 3.Both clamp and screws included, easy installation.
• 4.Thicker and stronger steel material, suitable for windy mountain area, resist wind twist.
• 5.Automatically open and close greenhouse window based on environment temperature changes, help you maintaining the best growing temperature and prevent your greenhouse from overheating.