High-quality materials: The air vent is made of high-quality stainless steel, which is resistant to corrosion, rust, oxidation and not easy to deform. The surface is smooth and the curvature of the edges is natural. Honeycomb Grille: The circular ventilation grille is designed with 3mm diameter small honeycomb holes, which have good ventilation and air permeability , preventing insects such as cockroaches from entering. Buckle design: The inner ring of the product is designed with a buckle. When installing, use a tool to protrude the buckle outward, then insert it into the mounting hole, which can be reinforced to prevent shaking and falling. Easy to install: the surface diameter of the grille ventilation slots is 60mm, the diameter of the inner ring is 53mm, the installation is simple and convenient. Just remove the buckle and put it in the mounting hole. Widely Used: Widely used and suitable in closet, closet, shoe cabinet, door, locker, etc bedroom, kitchen, living room, etc. suitable for offices, conference rooms, auditoriums, concert halls and other places. Question: - What should I do if the shoe cabinet and the closet smell bad - How to solve the problem of high humidity in the closet Answer: The stainless steel mesh ventilation holes are strong and durable, moisture-proof and deodorant. The surface is designed with 53 small round honeycomb holes, which have good ventilation and air permeability. It is suitable for all types of cabinets and storage cabinets. Product Information: - Name: Stainless steel ventilation grille - Material: Stainless Steel - Functions: Ventilation, moisture proof, deodorization - Color: Black - Scope of application: wardrobe, shoe cabinet, cupboard, drawer, locker Product quantity: - 6 x stainless steel air vents Product Tips:< br> 1. The installation can be reinforced with a little putty. 2. Holes may need to be drilled in the installation area (existing holes are not included). Note: The data is all measured manually, please allow 1-3cm error, due to the difference of light and display, there will be a certain color difference, the actual object received shall prevail. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.