Features:Made of stainless steel, it is not easily deformed and the surface is baking finish, with good corrosion resistance.It does not require much effort to install, the same diameter hole can be mounted directly.Mesh Hole With honeycomb design, Small holes can be dust-proof and not easy to block.Applied for kitchen cabinet, shoe cabinet, wardrobe, cupboard and storage locker, etc.Specification:Outside Diameter: 65mm / 2.56 InchSmall End Diameter: 53mm / 2.09 InchStainless Steel Material Thickness: 3mm / 0.12 InchOverall Height: 12mm / 0.47 InchFit for Install Hole Size: 53mm / 2.09 Inch (Diameter)Color: WhiteMaterial: Stainless SteelPackage Contents:5 x Round Air Vents.