The air conditioning wall hole cover is widely used in bedrooms, bathrooms, kitchens, living rooms, offices, and warehouses. They can be used for the decoration or covering of heating pipes, water pipes, drain pipes, or covering of round holes. Specification Size: 38 x 132 x 102 mm/1.5 x 5.2 x 4 inch(H*OD*ID) Fit Hole Diameter: 102 mm -109 mm/4 Inch -4.3 Inch Material: Polypropylene Finish: Polishing Packing List: 4 Pcs x Air Conditioning Wall Hole Covers Advantage 1. The air conditioning wall hole cover is made of polypropylene which is thick, durable, corrosion resistant, wear resistant, easy to clean, and can be used for a long time. 2. Buckle design strengthens the installation, preventing the cover from falling off. 3. The middle cover is designed to be easily removable. You can open the cover when you need to install a pipe, and you can use the cover to block it when you do not need to install a pipe. Instruction 1. The middle cover can be easily removed when you need to install a pipe. Just push the middle of the cover outwards with your hand. 2. To achieve better covering and sealing effects, please use some sealant clay around the connection. Note: Please confirm the diameter of the hole and choose the appropriate size before purchasing.