Because of differnt water quality in different places, the faucet is more eaiser to get clogged in public area which is more frequently use and lack of maintainance.  When the aerator getting clogged, the watering effect of the faucet getting worth and will need to change a new one when it's getting too much limescale and impurity So this is why we develop this brand new reversing faucet aerator, it can adjust angle from 0-180 degree  

New dense spray, a brand new stream with 280 holes on the outlet end of the aerator With dense and soft water stream, good hand feeling and splash-proof Also can be water saving Matching with two different kinds of stream can choose according to different watering usage Good choise for kitchen faucet aerator