【5-layer filtration】This faucet filter has a built-in 5-layer filter, 2 layers more than similar products on the market, which can filter impurities better and ensure the hygiene and safety of the water. Suitable for kitchen and bathroom faucets. 【Water saving nearly 30-40%】The faucet aerator can completely mix water and flowing air to form a foaming effect and improve the wear force, thus reducing water consumption. A faucet with an aerator installed saves about 30-40% more water than a faucet without an aerator. 【Splash-proof, noise-proof, constant current】The water flow will soft after mixing with air, reducing impact force, which can prevent water from splashing everywhere when water comes out. So the sink faucet filters also reproduce good constant water flow and noise reduction. 【Good sealing】There is a sealing ring on the outside of the nozzle of the kitchen and bathroom faucet, which can prevent water from splashing to the side. At the same time, 2 plug-in faucet spray