Package includes: 2 x ventilation grilles, round, silver. Material: The weatherproof grille is made of stainless steel, thickened and polished, with smooth edges, corrosion resistance and durability. Dimensions: outer diameter: 142 mm, inner diameter: 98 mm, height: 45 mm. 45-degree inclined shutter design: It can prevent rainwater from flowing backwards and prevent rain and snow; there is also a fine filter inside to prevent mosquitoes, insects, mice, etc. from entering. Widely used: The ventilation grille can be used in kitchens, range hoods, cabinets, bathrooms, bathrooms, exterior walls and other places. The ventilation grille clips are fixed and easy to install.