tectake Automatic Greenhouse Window Opener

This automatic window opener from tectake is a temperature-controlled, fully automatic device that always ensures optimal ventilation in your greenhouse. No more wondering if you've accidentally left a window open on a cold night or left it closed on a warm day. The window opener doesn't require electricity or batteries, and can be attached to any standard window size with ease. Create the best conditions for your plants to grow with the automatic window opener from tectake.