Plastic grille with rear mesh and movable slats - Measurements: 152x148 mm. - Rear round connector diameter: Ø 95 mm. - Made of high quality polypropylene. - Non-return cover with movable grids. - Protects from noise, birds, rats, insects and rain. - The vents close automatically without airflow. - Designed for ventilation systems. - Wide temperature range of use, provides quiet and highly efficient ventilation all year round. - Article also known as ventilation grille, backflow damper, weather protection grille, slat grille, movable slat grille, movable slats, louvered slat grille, etc.
