High-quality materials: The ventilation grille is made of high-quality stainless steel, which is corrosion-resistant, rust-resistant and oxidation-resistant, and is not easy to deform. The surface is smooth and the curvature of the edge is natural. Honeycomb grille design: The round ventilation grille is designed with small honeycomb holes with a diameter of 3mm, which have good ventilation and air permeability and prevent insects such as cockroaches from entering. Buckle design: The inner ring of the product is designed with a buckle. When installing, use a tool to push out the buckle and then insert it into the mounting hole, which can be reinforced to prevent shaking and falling. Easy to install: The surface diameter of the stainless steel ventilation grille is 60mm/2.36in, and the inner ring diameter is 53mm/2.08in. Installation is simple and convenient, just take out the buckle and insert it into the mounting hole. Widely used: widely used in cabinets, wardrobes, shoe cabinets, doors, lockers, etc. of the bedroom, kitchen, living room, etc., suitable for offices, conference rooms, auditoriums, concert halls and other places.