Description: With thickened material, the vent cover will not be deformed, at the same time, it has a fixed snap at the connection to play a reinforcing role to prevent falling off. Designed with hemispherical and large air outlet, it can effectively reduce the resistance and achieve good ventilation and exhaust performance. There are dense filters and 45-degree inclined stainless steel louvers at the bottom, which effectively keep dust or other debris out. Made of high-quality stainless steel material, the ventilation cover is anti-rust, weather-resistant and has a long service life. There are 7 specifications for you to choose from. The punching diameter is 50mm, 60mm, 70mm, 80mm, 100mm, 120mm, 150mm respectively. It can be used for home, restaurant, market, office, etc. Item Name: Stainless Steel Ventilation Cover Material: Stainless Steel Color: Silver Applicable Place: Home/Restaurant/Market/Office Features: Anti-Rust, Weather-Proof, No Deformation Specifications: Punching Diameter: 50mm, 60mm, 70mm, 80mm, 100mm, 120mm, 150mm Size Details: Punching Diameter: 50mm/1.97", 60mm/2.36", 70mm/2.76", 80mm/3.15", 100mm/3.94", 120mm/4.72", 150mm/5.91" (Approx.) Mounting Depth: 50mm, 60mm, 100mm: 40mm/1.57", 70mm, 80mm: 35mm/1.38", 120mm, 150mm: 48mm/1.89" (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.) Notes: The edge area of the stainless vent is sharp, pleas 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