White ventilation grille 300x100 mm: Made from galvanised steel sheet resistant to rain, frost and sun for indoor and outdoor use, 11.8x3.9 in Integrated insect mesh: Built-in fly screen helps prevent insects from entering the interior while maintaining airflow Durable metal construction: Strong materials provide long service life and help protect the grille from deformation during use Easy installation: Quick mounting without heavy tools; mounting screws included for secure attachment Wide application: Suitable for bathrooms, kitchens, garages, offices and other residential or commercial spaces, Weight: 0.2645547144 pounds, Manufacturer: Steinberg14