The Side Louver Window was designed to improve the air circulation and help control the temperature and humidity levels in all Palram greenhouses. The shutters are controlled manually for variable airflow to help aid in cooling on warmer days. When paired with the roof vent, the louver window can provide improved air circulation. Additionally the Side Louver Window can be fitted with Palram’s Automatic Louver Opener to provide the ideal airflow into the greenhouse. Additional ventilation provides and increase airflow and aides cooling during warmer days Shutters are operated manually to control the air flow Easy to install, replaces existing polycarbonate panel Fits Palram’s greenhouses: Harmony, Mythos, Hybrid, Octave, Essence, Balance and Glory