General description These 20 Pieces Air Vent Grilles are crafted from high-quality pure stainless steel, ensuring durability and resistance to rust and fading. With a smooth surface and elegant design, they are perfect for various applications, including kitchens, wardrobes, and bathrooms. Technical specifications Upper diameter: 65mm Lower opening diameter: 53mm Thickness: 10mm Installation To install, push the buckle of the inner diameter of the exhaust hole slightly outward and fix it in the long hole. Usage Ideal for household cabinets, shoe cabinets, wardrobes, and bookcases. Provides ventilation without the need to open cabinet doors, keeping spaces dry, ventilated, and moisture-proof.