Palram - Canopia | Automatic Louvered Window Opener for Nature Series (Mythos, Hybrid, Essence), Americana greenhouses Duramax vinyl shed accessories Dual Air Ventilation System as

Dual Air Ventilation System as Slotted Grill on Gable Fascia

Made from solid fir wood (non-rotting)

Oil-Free Vacuum Pump: 42 lbs

or ¾” plywood on solid platform

Plastic Won't Rust

Palram - Canopia | Automatic Louvered Window Opener for Nature Series (Mythos, Hybrid, Essence), Americana greenhouses Duramax vinyl shed accessories Dual Air Ventilation System asThe 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