Description The ventilation cover is made of premium 201 stainless steel, offering rust resistance and a long service life. Its thickened design helps prevent deformation, while the fixed snap connection provides added reinforcement to help prevent detachment. The hemispherical shape and large air outlet reduce airflow resistance, delivering effective ventilation and exhaust performance. The bottom features dense filters and 45-degree inclined stainless steel louvers that help keep dust and debris out. This vent cover is suitable for installation on exterior walls in homes, restaurants, markets, office buildings, and similar locations. Item Name: Ventilation Cover Material: 201 Stainless Steel Color: Silver Application: Home, Restaurant, Market, Office Building Specifications by 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") 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") Size Details: - 50mm, 60mm: 12.5cm x 12.5cm x 10.3cm (4.92" x 4.92" x 4.06") - 70mm, 80mm: 12.5cm x 12.5cm x 10cm (4.92" x 4.92" x 3.94") - 100mm: 14.5cm x 14.5cm x 11.3cm (5.71" x 5.71" x 4.45") - 120mm: 14.5cm x 14.5cm x 12cm (5.71" x 5.71" x 4.72") - 150mm: 18.5cm x 18.5cm x 14cm (7.28" x 7.28" x 5.51") - 160mm: 19cm x 19cm x 15cm (7.48" x 7.48" x 5.91") - 180mm: 22cm x 22cm x 17cm (8.66" x 8.66" x 6.69") - 200mm: 22.5cm x 22.5cm x 17.3cm (8.86" x 8.86" x 6.81") Features: Waterproof, glossy surface, thickened construction 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 differences in lighting and screen settings, the actual product color may vary slightly from images. - Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Stainless Steel Ventilation Cover Sold by YJL official store