High quality materials: The filter mesh of this swivel aerator is made of ABS and its body and nozzle adapter are made of brass, high quality and modern. Measurement Instruction: FM22. Adaptable for 22 mm diameter tap with male thread. If the faucet thread is 24mm female, please use the adapter included. 2 Jet Modes: The faucet aerator can be set to 2 different water flow modes, just twist the nozzle section left or right to adjust the water flow from soft foam mode to shower mode. > 720 Rotating Ball: 720 degree rotating design allows you to freely control and reach every corner of the kitchen sink for easy washing and cleaning. Function filtration: The bubble filter can also filter out most sediment and impurities, and the inner grid can filter out large particle impurities.