360-degree rotation: the water outlet angle is widened in all directions, which fully expands the water outlet range, cleans items, washes counters, and saves time and effort. > Two water outlet modes: With just a slight twist, you can switch between bubble water (mixed with air and water) and shower water (convenient for rinsing and cleaning). Food-grade 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; combined with a rubber sealing ring, the interface does not leak; the 22-layer galvanized layer resists various corrosion, is durable, and is as bright as new. Water purification filter element: Due to the use of stainless steel filter element sealing, solid impurities that sometimes exist in the water can be intercepted to prevent head clogging. Therefore, it can not only ensure healthy drinking water, but also ensure smooth water flow without clogging. 5 types of adapters, suitable for traditional faucets on the market: M22-G1/2, M22-FM20, M22-M20, M22-M22, M22-M24 (suitable for types: faucets with internal threads of 20mm, 22mm, 24mm and faucets with external threads of 20mm, 22mm, G1/2). Please choose the appropriate adapter correctly. Do not use a wrench to tighten forcefully.