In order to find the aerator for your faucet, you first need to define its size:

- For kitchen faucets, the ring size is mainly: 24 x 100 male

- For washbasin faucets, the ring size is mainly smaller than for kitchen faucets: 18 x 100, 20 x 100 male

- For bath-shower faucets: 28 x 100 male.

The water savings achieved by aerators depend on their flow rate: 30L/min, 15L/min, 13.5L/min, 9L/min, 3.8L/min, ...