Palram - Canopia | Automatic Louvered Window Opener for Nature Series (Mythos, Hybrid, Essence), Americana greenhouses Greenhouse Grow Box 6 mm twin-wall polycarbonate roof

6 mm twin-wall polycarbonate roof panels – virtually unbreakable

8' of head room

The breathable sling material is extremely comfortable and so easy to clean

Need plenty of room to store your stuff

Product Height: 91

Palram - Canopia | Automatic Louvered Window Opener for Nature Series (Mythos, Hybrid, Essence), Americana greenhouses Greenhouse Grow Box 6 mm twin-wall polycarbonate roofThe Automatic Louvered Window Opener is designed to automatically control the temperature and provide additional ventilation in all Palram Canopia Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse and closes when the optimal temperature is reached. The vent arm was designed with the use of natural minerals that expand with heat to push a piston, which raises the