1. Durable stainless steel material, black, durable, anti-oxidative. 2. Round shape, fine mesh, breathable design, small round holes can prevent dust and are not easy to clog. 3. The mesh allows wind to easily flow into the space, providing you with a fresh and odorless living environment. 4. Easy to install, can be installed directly on the same track. 5. Suitable for cabinets, shoe cabinets, decorative cabinets, and offices, conference rooms, concert halls, etc. High-quality materials: The ventilation grille is made of high-quality stainless steel, which is anti-corrosive, rust-proof, anti-oxidative, and not easy to deform. Honeycomb mesh design: The circular ventilation mesh design is a honeycomb-shaped round hole with good air permeability, preventing foreign objects from entering and protecting the items in the cabinet. Snap design: The inner ring of the ventilation cover has a snap design. Use a tool to push the snap outwards during installation and then insert it into the installation hole. It can play a reinforcing role to prevent shaking and falling. Wide range of applications: The grille ventilation mesh is used in wardrobes, cabinets, shoe cabinets, doors, lockers, etc. It is suitable for offices, conference rooms, auditoriums, etc. that require porous mesh ventilation holes. Easy to install: The outer diameter of the ventilation cover is 3.9mm and the inner circle diameter is 2.9mm. Simple installation, just pop out the buckle and insert it into the installation hole.