Universal Design: The 22mm inner faucet is directly suitable for the outer threaded faucet. Dual function design: There are two water flow functions: soft water flow (mode spray) and powerful spray (shower mode). The smooth rotation can easily switch the water flow from water flow to powerful spray. 360 degree rotation: the maximum up and down angle can reach 20 degrees, and thanks With the 360 degree rotation, the water flow reaches every corner of the sink, which is very convenient for washing and does not accumulate dirt. Water saving: l The faucet aerator was developed from the point of view of environmental protection. Water Saver saves water compared to a standard bubble, saving energy costs and saving money Premium Quality: The Dual operation sink aerator is made of premium copper, durable, it's not easy to grow bacteria and is wear resistant. It is combined with rubber seals and does not leak water. It can be used for sink faucets, kitchen faucets, bathroom faucets, etc. To be used