Dimensions: surface diameter: 42 mm, opening diameter: 35 mm, height: 8 mm. Suitable for most sizes and easier to use. . Material: Made with a durable and antioxidant stainless steel material that is not only tough and durable, strong antioxidant and antioxidant, but also has a beautiful circular grid design. . Ventilation: the breathable mesh can reduce the smell in the closet, prevent foreign bodies from entering and protect objects in the closet. Elegant and fashionable, suitable for all lifestyles. Stainless steel mesh, honeycomb design, exquisite round holes with breathable design, small round holes can be dustproof and not easy. . Simple installation: the round ventilation holes can be installed quickly and easily, they are very easy to install and the holes of the same diameter can be installed directly. . Application: Porous mesh ventilation holes are normally used for ventilation cabinets, cabinets, cabinets, shoemakers, etc. Suitable for offices, conference rooms, concert halls, auditoriums, etc. where porous mesh ventilation holes are required. .