ROUND AIR OUTLET Our vent hole ensures good ventilation for your cabinets, and the small round holes with a diameter of 3mm prevent insects from entering. Package includes: contains 12 black circular ventilation holes, has a diameter of 60 mm, an inner ring diameter of 53 mm and a thickness of 9 mm. EASY TO INSTALL Just mark the appropriate spot on a wardrobe or drawer and push the stainless steel ventilation grille in to keep it securely in place. Durable Material The round ventilation grille is made of high quality stainless steel, which is rust proof and oxidation resistant and is not easy to deform. Widely Used Perfect for cabinets, shoe cabinets, lockers, wardrobes, decorative cabinets. Ideal for offices, bedrooms, kitchens, bathrooms, concert halls., Manufacturer: Heveer