Product Description Increase the air circulation in your Mythos, Hybrid, Americana or Essence model Canopia greenhouse with an additional air vent. This greenhouse vent kit is manually adjustable to give you greater control of the climate in your greenhouse. Additional air vents will reduce humidity & improve air circulation to keep your greenhouse cooler on warm days. This product also pairs perfectly with the Canopia Side Louver to provide even more ventilation.. Manufacturer Contact Information 877-627-8476