50-200mm Anti-Rust Wall Air Vent Fixed Buckle Rainproof Polished Thickened Grille Ventilation CoverExquisite and high-quality workmanship provides anti-rust and anti-corrosion properties. Hemispherical design helps reduce resistance for more efficient airflow.The 45-degree inclined louvers help prevent rainwater from entering. Fixed buckle design enhances stability and helps prevent dropping.Made of 304 stainless steel material for durable performance.Available in nine sizes: 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 160mm, 180mm, and 200mm.Suitable for use in residential and commercial settings such as homes, restaurants, supermarkets, and office buildings.Item Name: Stainless Steel Vent OutletMaterial: 304 Stainless SteelColor: SilverFeatures: Fixed Buckle, Anti-Rust, Non-SlipSize Details:50mm: Length: 12.5cm/4.92", Width: 12.5cm/4.92", Height: 10.3cm/4.06", Punch Diameter: 5cm/1.97", Installation Depth: 4cm/1.57" (Approx.)60mm: Length: 12.5cm/4.92", Width: 12.5cm/4.92", Height: 10.3cm/4.06", Punch Diameter: 6cm/2.36", Installation Depth: 4cm/1.57" (Approx.)80mm: Length: 12.5cm/4.92", Width: 12.5cm/4.92", Height: 10cm/3.94", Punch Diameter: 8cm/3.15", Installation Depth: 3.5cm/1.38" (Approx.)100mm: Length: 14.5cm/5.71", Width: 14.5cm/5.71", Height: 11.3cm/4.45", Punch Diameter: 10cm/3.94", Installation Depth: 4cm/1.57" (Approx.)120mm: Length: 14.5cm/5.71", Width: 14.5cm/5.71", Height: 12cm/4.72", Punch Diameter: 12cm/4.72", Installation Depth: 4.8cm/1.89" (Approx.)150mm: Length: 18.5cm/7.28", Width: 18.5cm/7.28", Height: 14cm/5.51", Punch Diameter: 15cm/5.91", Installation Depth: 4.8cm/1.89" (Approx.)160mm: Length: 19cm/7.48", Width: 19cm/7.48", Height: 15cm/5.91", Punch Diameter: 16cm/6.3", Installation Depth: 5.5cm/2.17" (Approx.)180mm: Length: 22cm/8.66", Width: 22cm/8.66", Height: 17cm/6.69", Punch Diameter: 18cm/7.09", Installation Depth: 6cm/2.36" (Approx.)200mm: Length: 22.5cm/8.86", Width: 22.5cm/8.86", Height: 17.3cm/6.81", Punch Diameter: 20cm/7.87", Installation Depth: 6cm/2.36" (Approx.)Notes:Due to lighting and screen setting differences, the item's color may vary slightly from the images.Slight dimensional variations may occur due to manual measurement.The edges of the stainless steel vent are sharp; handle with care.Wear gloves during installation.Keep out of reach of children.Package Includes:1 x Stainless Steel Vent Outlet