The ventilation grilles 300x200 mm / 11.8 x 7.9" are made of galvanised sheet steel that is resistant to external environmental factors such as snow, rain, frost and sun. This Vent covers internal is suitable for mounting on walls, doors or ceilings. Louvre vent grille is suitable for indoor and outdoor use. The fly screen prevents insects from entering the interior. The product is designed for use as wall vent covers or ceiling vent covers in various buildings Air vents for interior walls ensure a long service life. The strength and high-quality materials ensure a stable construction of the ventilation grill and protect it from deformation. Installation is quick and does not require heavy tools (screws are not included) Galvanised Steel Vent Cover Technical Data - Length: 30cm / 11.81 inch - Width: 20cm / 7.87 inch - Height; 0.6 cm / 0.24 inch - Diameter of mounting holes: 4mm / 0.16 inch - Weight: 0.23 kg Air Vent Grill is designed to provide efficient air circulation, improving ventilation in residential and commercial spaces. Rectangular metal air vent cover is widely used in bathrooms, kitchens, garages, offices and other areas., Weight: 0.5070632026 Pounds, Manufacturer: Steinberg14