25mm threaded connection is made of high quality brass, so it is more solid and rust-proof and has good corrosion resistance. Standard size: outer diameter: 25mm, inner diameter: 20mm, please confirm the size before purchasing. Hexagonal ring is firmly connected, will not leak or spray easily, is more stable, and is used for connecting pipes for connecting pipes for water and heating systems. Thick copper reducers can withstand stronger pressure and higher temperature, while having higher hardness, making the threaded connection durable. p> The brass tap connectors can be used for washing machine, BSP watering hose, radiators, drain pipes, and any tap of suitable size, is one of the essential accessories for the household. Quantity delivered: 4 pieces Product color: gold Product specification: 20*25*17mm Note: The data is manual measurement, please allow an error of 1-3cm, due to the difference between the light and the screen, there will be some certain color difference, the specific received in kind shall prevail.