The Rion Side Louver Window provides additional ventilation for the plants within your greenhouse, ensuring they have the best growing conditions possible. The shutters can be opened, adjusted and closed manually by moving the lever located on the inside of the greenhouse.

• Additional adjustable ventilation provides an increased airflow and aids cooling during warmer days.
• Interior shutters are operated with manual handle to control the airflow.
• Fits Rion greenhouses: EcoGrow, Hobby, Prestige & Grand.