Semicircular ventilation rain shutters

Semicircular ventilation rain shutters

Product Description



     Ventilation for required ventilation rain rain shutters, insulation adjusting airflow room or other public places, adjusting the blade which consists of gullies with rain dripping leaves and with the side frame and streamlined frame composition, blinds adjust flexible, reliable, year-round operation without lubrication, no noise, good sealing performance.

     Shape can be customized freely.