Description The ventilation cover is made of premium 201 stainless steel, offering rust resistance and a long service life. The thickened material helps prevent deformation, while the fixed snap connection reinforces stability and prevents detachment. Its hemispherical shape and large air outlet reduce airflow resistance, providing efficient ventilation and exhaust performance. The bottom features dense filters and 45-degree inclined stainless steel louvers that effectively block dust and debris. Designed for durability and functionality, the cover has a glossy surface and waterproof construction. Available in 9 sizes to suit various applications, the punching diameters are: 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 160mm, 180mm, and 200mm. This ventilation cover is suitable for installation on exterior walls in homes, restaurants, markets, office buildings, and similar environments. Item Name: Ventilation Cover Material: 201 Stainless Steel Color: Silver Application: Home, Restaurant, Market, Office Building Specifications: - Punching Diameter: 50mm (1.97"), 60mm (2.36"), 80mm (3.15"), 100mm (3.94"), 120mm (4.72"), 150mm (5.91"), 160mm (6.3"), 180mm (7.09"), 200mm (7.87") (Approx.) - Mounting Depth: 50mm, 60mm, 100mm – 40mm (1.57"); 80mm – 35mm (1.38"); 120mm, 150mm – 48mm (1.89"); 160mm – 55mm (2.17"); 180mm, 200mm – 60mm (2.36") (Approx.) Size Details: - 50mm, 60mm: 12.5cm x 12.5cm x 10.3cm (4.92" x 4.92" x 4.06") (Approx.) - 80mm: 12.5cm x 12.5cm x 10cm (4.92" x 4.92" x 3.94") (Approx.) - 100mm: 14.5cm x 14.5cm x 11.3cm (5.71" x 5.71" x 4.45") (Approx.) - 120mm: 14.5cm x 14.5cm x 12cm (5.71" x 5.71" x 4.72") (Approx.) - 150mm: 18.5cm x 18.5cm x 14cm (7.28" x 7.28" x 5.51") (Approx.) - 160mm: 19cm x 19cm x 15cm (7.48" x 7.48" x 5.91") (Approx.) - 180mm: 22cm x 22cm x 17cm (8.66" x 8.66" x 6.69") (Approx.) - 200mm: 22.5cm x 22.5cm x 17.3cm (8.86" x 8.86" x 6.81") (Approx.) Notes: - The edges of the stainless steel vent are sharp. Handle with care and wear gloves during installation. - Keep out of reach of children. - Due to lighting and screen setting differences, the actual color may vary slightly from images. - Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Stainless Steel Ventilation Cover