Aerators are designed to cut down on unnecessary water consumption (washing hands, brushing teeth, shaving etc.) from your taps. An aerator serves the following purposes: - prevent splashing - shaping the water stream coming out of the faucet spout - saving water and reducing energy costs - reducing faucet noise Faucet aerators are often used in homes with low water pressure in order to increase the perceived water pressure. - M24mm Male Swivel Tap Aerator - All high quality made in EU - Reducing water usage up to 50% - Material: Stainless Chromed Brass