Increase the air circulation in your Palram - Canopia Sun Room Six or Sun Room Eight with an additional air vent. Additional air vents will reduce humidity and improve air circulation to keep your Sun Room cooler on warm days. Provides additional air ventilation and circulation Helps regulate temperatures Manual adjustment for variable airflow Works with all Palram - Canopia Sun Room Six and Sun Room Eight greenhouses Can be fitted with the Palram - Canopia Automatic Roof Vent Opener for optimal airflow