Our automatic vent opener is made specifically for the Snap & Grow line of greenhouses and greenhouse products. It conveniently opens the window vent in your Snap & Grow, Mythos, Essence or Grow & Store Hobby Greenhouse.
Easy to install and no electricity is required. There is a liquid in the cylinder that expands as the temperature nears 70 degrees causing the vent to open. As the temperature drops the vent will close.
Customize your greenhouse! We offer a wide range of accessories that completing greenhouse experience and makes gardening more fun, easy, efficient and comfortable. These greenhouse accessories create an individual-unique greenhouse which fits perfectly to your specific needs.