High Quality Material – Made of chrome plated brass, lead free. Environmental protection gasket included, durable and no irritating smell;Stainless steel sieve, health and safety Sealing washer – With the high quality gasket, our aerators well match the faucet, no water leakage, non-irritating odors, wear resistant Thread Size – M24,Suitable for all standard faucets with 24mm internal thread seal Save water – The faucet aerator, water spray more pleasant to the touch and water saving, prevent splashing, ideal for daily use Easy Installation – You just use your hand and directly squeeze the water saver;Can be installed on kitchen or bathroom faucets