Material characteristics: The circular ventilation grille is made of high-quality stainless steel, which is resistant to acids and stains. rust. The circular net allows the wind to circulate freely in the room, providing you with a cool and tasteless living and working environment.^Design advantages: stainless steel honeycomb design, fine finish neat, durable and beautiful appearance, corresponding to your Biological ventilation design, dust and foreign objects are not easy to clean. block.^Easy to block. install: open the bayonet and push it into the circular mesh to hold it firmly in place. You don't need to use too much force or tools.^Installation size: The round stainless steel ventilation grille can be directly installed in the same diameter hole diameter with a bottom diameter of 35 mm / 1.3 inches and an outer diameter of 42 mm / 1.6 inches.^Wide range of uses: plastic vents stainless steel are very suitable for mobile homes or small rooms. living such as cabinets, wardrobes; shoes, decorative cabinets and desks, conference rooms, concert halls, bathrooms, entertainment rooms, etc.