... more information,pls visit our website faucet aerator,flow regulator,water saver insert,We can offer different flow rates,any color and ... any size.Supply water saver aerator for faucet and tap:1.8-2L,2.6 ... -3L,3-4L,5-6L,7-8L,8-9L.Supply water saver aerator for showers:6 L,8-9L.Size in M24 ... .If you have interest ,pls feel free to contact us. water saver insert