DescriptionDue to the thickened material, the ventilation cover will not be deformed easily, and its connection is equipped with a fixed snap to reinforce and prevent falling. Thanks to the hemispherical shape and large air outlet, it can reduce the resistance effectively with good ventilation and exhaust performance. The bottom part has dense filters and 45 degree inclined stainless steel louvers, which effectively keep dust or other debris away. Made of premium 201 stainless steel material, the air vent cover is anti rust and has long service life. There are 9 specifications for you to choose from. The punching diameter is 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 160mm, 180mm, 200mm respectively. The ventilation cover is suitable for installing in the outside wall of home, restaurant, market, office building, etc. Item Name Ventilation Cover Material 201 Stainless Steel Color Silver Applicable Place Home Restaurant Market Office Specifications Punching Diameter 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 160mm, 180mm, 200mm Features Waterproof, Glossy Surface, Thickened Size Details 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.) 50mm, 60mm Size 12.5cm x 12.5cm x 10.3cm 4.92" x 4.92" x 4.06" (Approx.) 70mm, 80mm Size 12.5cm x 12.5cm x 10cm 4.92" x 4.92" x 3.94" (Approx.) 100mm Size 14.5cm x 14.5cm x 11.3cm 5.71" x 5.71" x 4.45" (Approx.) 120mm Size 14.5cm x 14.5cm x 12cm 5.71" x 5.71" x 4.72" (Approx.) 150mm Size 18.5cm x 18.5cm x 14cm 7.28" x 7.28" x 5.51" (Approx.) 160mm Size 19cm x 19cm x 15cm 7.48" x 7.48" x 5.91" (Approx.) 180mm Size 22cm x 22cm x 17cm 8.66" x 8.66" x 6.69" (Approx.) 200mm Size 22.5cm x 22.5cm x 17.3cm 8.86" x 8.86" x 6.81" (Approx.) Notes The edge area of the stainless vent is sharp, please be careful. Please wear gloves when installing. Please keep out of reach of children. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes 1 x Stainless Steel Ventilation Cover