360 ROTATION: Widen the water outlet angle in all directions, fully expand the water outlet range, clean items, wash the counter, save time and effort. > TWO WAYS OF WATER OUTLET: 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). FOOD-GRADE MATERIALS: The main body of the faucet aerator is made of high-quality copper, not easy to breed bacteria and wear-resistant; it is combined with rubber sealing rings, the interface does not leak water; 22 galvanic layers resist various corrosions, durable and shiny like . WATER PURIFICATION FILTER: Thanks to the stainless steel filter seal, it retains the solid impurities sometimes present in the water and prevents clogging of the head. Therefore, it can not only ensure healthy drinking water, but also ensure that the water flow is smooth and unblocked. 5 KINDS OF ADAPTERS, SUITABLE FOR TRADITIONAL TAPS ON THE MARKET: M22 -G1/2, M22-FM20, M22-M20, M22-M22, M22-M24 (suitable type: tap with internal thread 20mm, 22mm, 24mm and tap with external thread 20mm, 22mm, G1/2 ). please correctly select the appropriate adapter. Do not use a wrench to force the tightening.