Exquisite and high-quality workmanship makes it anti-rust and anti-corrosion. The hemispherical design makes it possible to reduce resistance and more efficient.<br> <br> The 45-degree inclined louvers make it possible to prevent rainwater from getting in. And the fixed buckle design makes it very stable and anti-dropping.<br> <br> Made of 304 stainless steel material, it is very durable to use.<br> <br> There are nine specifications for you to choose from: 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 160mm, 180mm, 200mm.<br> <br> It is very suitable for residences, restaurants, supermarkets, office buildings and so on.<br> <br> Item Name: Stainless Steel Vent Outlet<br> <br> Material: 304 Stainless Steel<br> <br> Color: Silver Color<br> <br> Features: Fixed Buckle, Anti-rust, Non-slip<br> <br> Size Details:<br> <br> 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.)<br> <br> 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.)<br> <br> 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.)<br> <br> 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.)<br> <br> 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.)<br> <br> 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.)<br> <br> 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.)<br> <br> 180mm: Length: 22cm/8.66", Width: 22cm/8.66", Height: 17cm/6.69", Punch Diameter: 18cm/7.09", Installation Depth: 6cm/2.36" (Approx.)<br> <br> 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.)<br> <br> Notes:<br> <br> Due to the light and screen setting difference, the item's color may be slightly different from the pictures.<br> <br> Please allow slight dimension difference due to different manual measurement.<br> <br> The edge area of the stainless vent is sharp, pleas be careful<br> <br> Please wear gloves when installing<br> <br> Please keep out of reach of children<br> <br> Package Includes:<br> <br> 1 x Stainless Steel Vent Outlet