20pcs 53mm STAINLESS STEEL Ventilation Grille Round Mesh Breathing Air Freshener for Cabinets Ventilation Grille Kitchen Furniture Ventilation Stainless Steel Ventilation Multiple uses:--The round ventilation grill for breathability of cabinets, shoe cabinets, wardrobes, decorative cabinets and offices, meeting rooms, music room, etc. Materials Stainless steel: - - The round air vents are made of stainless steel, durable and resistant to gravity, not only rust, but also installation effect.< /p> Enjoy an odor-free environment:-- Stainless steel air vent allows the wind to flow easily through the spaces you stay in, giving you a cool and odor-free living and working environment. the holes conform to the breathable design, the small round holes can be dustproof and not easy to block.< /p> Diameter 53 Easy to install:--This valve does not require much effort to install, the same diameter of the hole can be installed directly, easy installation is very solid.