Dimensions: surface diameter: 42 mm, opening diameter: 35 mm, height: 10 mm. Suitable for sizes and easier to . Material: Made with a durable and antioxidant stainless steel material 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 objects in the closet. Elegant and fashionable, suitable for all . Stainless steel mesh, 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 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 , auditoriums, etc. where porous mesh ventilation holes are required. Design: Mesh, round Colour: black Material: stainless steel Package Contents: 30 * Stainless steel ventilation grill Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.