Features: *Package Content:You will receive 4 pieces of tap adapters with external thread M18.5 to M22 (including washers) for easy connection to the tap aerator. *Sturdy Material:Made of copper material with a coating finish, ensuring high hardness, resistance to breakage, effective air isolation, and wear and corrosion resistance, providing long-lasting durability and safety. *Tight and Secure Connection:The tap adapters feature a well-made metal connection group with M18.5 male thread and M22 male thread, ensuring clear threads, tight connection, and firm fixation. *Versatile and Adaptable:Please measure the size when viewing the picture to ensure the type meets your requirements. The sealing clip can be sealed with filled silicone to enhance the protective layer, improve the sealing effect, and ensure the safety and efficiency of pipeline transport. *Suitable for Various Faucets:These tap adapters can be used for kitchen and bathroom faucets in various settings such as homes, offices, schools, or public places. Specifications: *Product Name:Tap Adapter *Material:Copper *Size:Approx. 21.5*19.5 mm *Thread:M18.5 to M22 male thread *Color:Gold+Black Package Content: 4 * Tap Adapter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Package Content:You will receive 4 pieces of tap adapters with external thread M18.5 to M22 (including washers) for easy connection to the tap aerator. Sturdy Material:Made of copper material with a coating finish, ensuring high hardness, resistance to breakage, effective air isolation, and wear and corrosion resistance, providing long-lasting durability and safety. Tight and Secure Connection:The tap adapters feature a well-made metal connection group with M18.5 male thread and M22 male thread, ensuring clear threads, tight connection, and firm fixation. Versatile and Adaptable:Please measure the size when viewing the picture to ensure the type meets your requirements. The sealing clip can be sealed with filled silicone to enhance the protective layer, improve the sealing effect, and ensure the safety and efficiency of pipeline transport. Suitable for Various Faucets:These tap adapters can be used for kitchen and bathroom faucets in various settings such as homes, offices, schools, or public places.