Wallair manufactures the N31808 fan grille, measuring 20 cm by 20 cm. Made for durability, it effectively protects fan blades while allowing optimal airflow. This grille is ideal for use in ventilation systems and household fans. https://elecena.pl/product/28865739/wallair-n31808-fan-grille-20x20cm-white-aluminium-with-window-net 2025-05-31 https://elecena.pl/product/28865739/wallair-n31808-fan-grille-20x20cm-white-aluminium-with-window-net 2026-07-21