360 ROTATION: expand the water outlet angle in all directions, fully expand the water outlet range, clean items, wash the countertop, save time and effort.TWO WAYS TO WATER OUTPUT: With just a slight twist, you can switch between bubble water (which mixes air and water) and shower water (which is convenient for rinsing and cleaning). HIGH-QUALITY FOOD MATERIALS: The main body of the faucet aerator is made of high-quality copper, which is not easy to breed bacteria and is wear-resistant; it is combined with rubber sealing rings, the interface does not leak water; 22 galvanic layers resist various corrosions, durable and shiny as new.WATER PURIFICATION FILTER: Thanks to the stainless steel filter gasket, it retains solid impurities sometimes present in the water and prevents the head from getting clogged. Therefore, it can not only ensure healthy drinking water, but also ensure that the water flow is smooth and not blocked.5 TYPES OF ADAPTERS, SUITABLE FOR TRADITIONAL FAUCETS ON THE MARKET: M22-G1/2, M22-FM20 , M22-M20, M22-M22, M22-M24 (Suitable type: faucet with internal thread 20mm, 22mm, 24mm and faucet with external thread 20mm, 22mm, G1/2). Please select the appropriate adapter correctly. Do not use a wrench to force the tightening.